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Case of the Week - by category with diagnosis
Last revised: 16 May 2013
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Cases by category with diagnosis are below; click
here for cases
by clinical history, here for cases
by diagnosis, here for cases
by category (no diagnosis), here for
select cases in Turkish)
Table of contents
Breast, cytopathology, dermatopathology, GI, GU, gynecologic, head and neck, hematopathology, liver, lung, microbiology, neuropathology, other, pediatric, soft tissue and bone
Breast pathology top Case 100:
50 year old man with bilateral neck masses - nasopharyngeal carcinoma Case 72:
Two year old boy with multiple skull masses - Langerhans cell histiocytosis Case 36:
7 year old girl with fine needle aspiration of a chest mass - anaplastic large
cell lymphoma Case 28:
Elderly man with a fixed neck mass - adenoid cystic carcinoma of larynx
extending to thyroid gland Case 9:
47 year old man with a pleural based lesion - schwannoma Dermatopathology top Case 160:
52 year old woman with chronic, diffuse, lichenified eruptions on leg - scabies Case 155: 18
year old woman with papules on legs x 12 years, now on hands - Darier’s disease Case 153: 34
year old woman with papular lesions on hand and face - multicentric reticulohistiocytosis Case 151: 86
year old man with indurated cutaneous papules - atypical CML with leukemia
cutis and vasculitis Case 140:
68 year old woman with eruption of violaceous skin nodules - leukemia cutis Case 116:
60 year old man with scalp nodule - epithelioid variant of benign fibrous
histiocytoma Case 113:
24 year old woman with abdominal skin lesion - pigmented epithelioid
melanocytoma Case 107:
37 year old man with skin lesion in the back - retiform hemangioendothelioma Case 71:
64 year old
woman with pruritic, erythematous plaques on her abdomen and back - erythema
gyratum repens Case 56:
85 year old Mexican woman with pruritic and scaly plaques on her trunk -
pemphigus foliaceus Case 7:
19 year old man with lump on wrist - cellular blue nevus Case 5:
20 year old woman with an “extranumerary nipple” - juvenile xanthogranuloma top Case 86:
39 year old woman with a small intestinal mass - inflammatory fibroid polyp Case 81:
36 year old man with a duodenal mass - follicular dendritic cell sarcoma Case 33:
48 year old man with a 4 cm gastric mass - gastrointestinal stromal tumor Case 22:
51 year old man with symptomatic anemia and gastric masses - metastatic renal
cell carcinoma Case 13:
31 year old woman with a pancreatic mass - desmoplastic small round cell tumor of
pancreas top Case 137:
72
year old man with a radical prostatectomy for prostatic adenocarcinoma -
prostatic melanosis Case 131: 76 year old
woman with hematuria - malakoplakia of bladder Case 128: 29 year old man
with hydronephrosis - renal tuberculosis Case 126: 19 year old man
with hypertension and renal insufficiency - preB acute lymphoblastic leukemia /
lymphoma Case 122:
43 year old man with testicular tumor - Leydig cell tumor Case 117:
70 year old man with prostatectomy - pseudohyperplastic variant of prostatic
adenocarcinoma Case 106:
35 week fetus with distended abdomen - meconium peritonitis Case 94:
57 year old man with tumor of renal pelvis - signet ring cell adenocarcinoma Case 85:
66 year old man with a radical prostatectomy for prostatic adenocarcinoma -
bilateral seminal vesicle amyloidosis Case 83:
72 year old woman with renal pelvis mass - mixed epithelial and stromal tumor Case 76:
49 year old man with an inguinal mass - tubulocystic clear cell carcinoma of
prostate *with femoral nodal metastases Case 69:
34 year old man with a scrotal abscess - epithelioid sarcoma Case 57:
3 month old girl with kidney mass - congenital mesoblastic nephroma Case 51:
56 year old man with large, cystic renal lesion - tubulocystic carcinoma Case 48:
50 year old woman with well encapsulated renal mass - papillary renal
cell carcinoma, solid variant Case 43:
44 year old man with a 1 mm incidental renal mass at nephrectomy - papillary
adenoma Case 40:
56 year old man with B cell CLL, post-treatment for a relapse, now with dysuria
and hematuria - BK polyoma virus related hemorrhagic cystitis Case 32:
44 year old woman with incidental renal mass composed of straplike cells -
atypical epithelioid angiomyolipoma Case 30:
41 year old man with diabetes and renal failure after an upper respiratory
infection - diabetic
nodular glomerulosclerosis with superimposed post - infectious
glomerulonephritis. Case 26:
29 year old man with a testicular mass - mixed germ cell tumor Case 19:
40 year old woman with large renal mass - monophasic synovial sarcoma Case 18:
23 year old man with pain in the right testis - sclerosing Sertoli cell tumor top Case 146:
51 year old woman with vaginal polyp - tubulovillous adenoma Case 135: 50 year old
woman with vaginal bleeding - glial polyp of cervix Case 125:
62 year old woman with post-menopausal bleeding - metastatic lobular carcinoma
to a tamoxifen-associated endometrial polyp Case 109:
58 year old woman with post-menopausal bleeding - melanoma of uterus Case 96:
55 year old woman with a pelvic mass - adult granulosa cell tumor Case 92:
59 year old woman with a vaginal discharge - leiomyosarcoma of cervix Case 91:
44 year old woman with CIN II-III - isolated cervical polyarteritis nodosa Case 60:
45 year old woman with menometrorrhagia - endometrial intraepithelial neoplasia Case 59:
7 year old girl with precocious puberty and ovarian mass - juvenile granulosa
cell tumor Case 55:
50 year old woman with an ileocecal mass - endometriosis Case 53:
HIV positive woman from Case 31:
44 year old woman with extensive tumor deposits on the omentum, uterus, tubes
and ovaries - serous psammocarcinoma Case 12:
22 year old woman with an ovarian mass - dysgerminoma top Case 156:
50 year old man with erythematous gingiva - plasma cell gingivitis Case 142:
17 year old woman with floor of mouth tumor - osseous choristoma Case 139:
53 year old man with bipolar disorder and sudden death - lithium thyroiditis Case 138:
51
year old man with a nasal turbinate mass - angioleiomyoma Case 115:
61 year old man with eyelid swelling - cysticercosis Case 112:
76 year old man with nasopharyngeal mass - Warthin’s tumor Case 108:
86 year old woman with neck pain and difficulty swallowing - ectopic
parathyroid tissue Case 104:
22 year old man with fine needle aspiration of a neck nodule - meningioma Case 103:
86 year old man with stable parotid mass - sebaceous lymphadenoma Case 101:
40 year old woman with nasal mass - NK/T cell lymphoma Case 100:
50 year old man with bilateral neck masses - nasopharyngeal carcinoma Case 97:
29 year old man from Case 84:
58 year old woman with chronic sinusitis - sinonasal hemangiopericytoma Case 82:
57 year old
man with papillary lesions on his palate - verruciform xanthoma Case 73:
66 year old man with a cyst-like lesion of the mandible - primary intraosseous
odontogenic verrucous carcinoma Case 54:
59 year old woman with a slow growing parotid mass - epithelial-myoepithelial
carcinoma Case 49:
68 year old woman with large soft palate tumor - sialolipoma of soft palate Case 42:
63 year old man with painful cheek mass - acinic cell carcinoma of parotid
gland Case 28:
Elderly man with a fixed neck mass - adenoid cystic carcinoma of larynx extending
to thyroid gland Case 24:
43 year old man with chronic sinusitis and a nasal polyp - respiratory
epithelial adenomatoid hemartoma Case 14:
17 year old woman with loosening of lower incisors - central giant cell
granuloma of mandible
Case 260: 75 year old woman with prior breast cancer and new liver mass - primary low-grade hepatic B-cell lymphoma of mucosa-associated lymphoid tissue (MALT) type Case 127: 56 year old
woman with celiac sprue and nodular areas in the antrum - MALT lymphoma Case 120:
88 year old woman with abnormal CBC - B cell prolymphocytic leukemia Case 118:
60 year old man with lower leg edema - angiomyomatous hamartoma of lymph node Case 101:
40 year old woman with nasal mass - NK/T cell lymphoma Case 95:
55 year old man with a nodular patch in the cecum at colonscopy - hairy cell
leukemia Case 93:
63 year old woman with axillary mass - Castleman’s disease-hyaline vascular
variant Case 89:
22 year old woman with cervical adenopathy and no other medical history -
Kikuchi’s disease Case 87:
41 year old HIV+ man with pancytopenia and skin nodules - Leishmaniasis Case 81:
36 year old man with a duodenal mass - follicular dendritic cell sarcoma Case 79:
Elderly man with an enlarged supraclavicular lymph node - CLL/SLL,
paraimmunoblastic variant Case 74:
65 year old woman with backache, abnormal plasma cells but a normal serum
protein electrophoresis - light chain multiple myeloma Case 41:
72 year old woman with multiple strokes - intravascular lymphoma Case 36:
7 year old girl with fine needle aspiration of a chest mass - anaplastic large
cell lymphoma Case 27:
22 year old woman with worsening pelvic pain - chronic myelogenous leukemia Case 21:
64 year old Japanese woman with multiple opportunistic infections - adult T
cell leukemia / lymphoma Case 2:
Incidental splenic mass during laparoscopy for excision of benign pancreatic
cyst - splenic hamartoma Case 1:
46 year old man with mediastinal mass - follicular dendritic reticulum cell
tumor / follicular dendritic cell sarcoma top Case 164:
51 year old man with liver disease - Gaucher disease Case 88:
13 month old girl with incidental liver mass - focal nodular hyperplasia Case 70:
47 year old woman with a multilocular hepatic cyst - mucinous biliary
cystadenoma Case 61:
15 month old boy with an asymptomatic liver mass - mesenchymal hamartoma Case 44:
20 year old woman with liver mass identified after childbirth - inflammatory
pseudotumor top top Case 174:
45 year old
Guyanese woman with severe headache - CNS toxoplasmosis Case 133: 43 year old
Honduran man with diarrhea and abdominal pain - Stronglyoides stercoralis Case 87:
41 year old HIV+ man with pancytopenia and skin nodules - Leishmaniasis Case 53:
HIV positive woman from Case 40:
56 year old man with B cell CLL, post-treatment for a relapse, now with dysuria
and hematuria - BK polyoma virus related hemorrhagic cystitis top top Case 170:
36 year old man with adrenal mass - myelolipoma Case 150:
37 year old woman with pericardial mass - synovial sarcoma Case 114:
47 year old woman with left ventricular mass - leiomyosarcoma Case 99:
70 year old man with mediastinal mass - thymoma Case 98:
18 year old man with pigmented thyroid gland at autopsy - black thyroid due to
minocycline Case 78:
65 year old woman with a left atrial mass - cardiac myxoma with glandular
differentiation Case 17:
61 year old woman with a mediastinal mass - thymic carcinoma top Case 67:
2 year old with an abdominal mass - neuroblastoma Case 59:
7 year old girl with precocious puberty and ovarian mass - juvenile granulosa
cell tumor Case 58:
Term newborn with abnormal fetal ultrasound and lobectomy - congenital cystic adenomatoid
malformation, type II Case 57:
3 month old girl with kidney mass - congenital mesoblastic nephroma Soft tissue and Bone pathology top Case 167:
35 year old man with neck mass - desmoid tumor (extraabdominal fibromatosis) Case 165:
4 month old
child with midline skull lesion - pigmented neuroectodermal tumor of infancy Case 158:
26 year old woman with mass on palm of hand - lipomatosis of nerve Case 149:
50 year old woman with thigh mass - parachordoma Case 145: 15
year old boy with paratesticular tumor - spindle cell embryonal
rhabdomyosarcoma Case 132: 54 year old
woman with supraclavicular mass - DFSP, myxoid variant Case 130: 27 year old
woman with a swelling of the fibula - myeloid sarcoma Case 123:
1 year old boy with neck mass - lipoblastoma Case 110:
47 year old man with low back pain - chordoma Case 107:
37 year old man with skin lesion in the back - retiform hemangioendothelioma Case 80:
28 year old man with a red thigh nodule for 6 months suggestive of Kaposi’s
sarcoma - microvenular hemangioma Case 77:
55 year old man with a large thigh mass - epithelioid hemangioendothelioma Case 72:
Two year old boy with multiple skull masses - Langerhans cell histiocytosis Case 66:
71 year old man with a popliteal fossa mass - synovial chondromatosis Case 65:
37 year old woman with a wrist mass - nodular fasciitis Case 64:
55 year old bedridden man with a hip mass - ischemic fasciitis Case 63:
53 year old man with a recurrent, painful pretibial mass - phosphaturic
mesenchymal tumor Case 52:
33 year old
man with an asymptomatic hand mass - chondroid lipoma Case 50:
12 year old girl with superficial nodular tumor of back - superficial plexiform
schwannoma Case 47:
16 year old girl with tumor of foot - calcifying aponeurotic fibroma Case 46:
Elderly individuals with scapular masses - elastofibroma Case 34:
24 year old man with an inguinal soft tissue discharging chalky fluid - tumoral
calcinosis Case 29:
33 year old woman with soft tissue mass of cheek - solitary fibrous tumor of
dermis Case 20:
22 year old man with Mafucci’s syndrome and painful swellings of hands and feet
- spindle cell hemangioma Case 16:
56 year old man with a retroperitoneal mass - lipomatous hemangiopericytoma Case 15:
62 year old man with a slowly enlarging thumb mass - aggressive digital
papillary adenocarcinoma Case 10: 30 year old man
with a thigh lesion - high grade myxoid / round cell liposarcoma Case 3:
90 year old woman with recurrent soft tissue tumor from the ankle region -
sclerosing epithelioid fibrosarcoma End of Case of Week by Category page
Case 271:61 year old woman with mammographic breast mass - adenoid cystic carcinoma
Case 255: 30 year old woman with 12 cm breast mass - lipophyllodes tumor, low grade
Case 252: 64 year old woman with small breast mass - granular cell tumor
Case 236: 71 year old woman with invasive breast cancer - invasive ductal carcinoma with central necrosis
Case 227: 60 year old woman with breast mass - osseous metaplasia
Case 217:
55 year old woman with axillary tail mass - primary diffuse large B cell lymphoma with clear cell change
Case 192:
37 year old woman with breast mass - T cell lymphoma, peripheral type
Case 168:
67 year old woman with mammographic calcifications - in situ and invasive
pleomorphic lobular carcinoma
Case 68:
84 year old woman with a breast nodule - apocrine carcinoma
Case 62:
22 year old woman with an enlarging breast mass - sclerosing lobular
hyperplasia
Case 45:
72 year old woman with lumpectomy for mammographic calcifications -
neuroendocrine DCIS
Case 37:
48 year old woman with a mammary fibroadenoma containing atypical cells -
fibroadenoma with bizarre stromal giant cells
Case 35:
54 year old woman with large breast mass and nipple discharge - cystic
hypersecretory DCIS
Case 25:
61 year old woman with suspicious microcalcifications on mammography - calcium
oxalate microcalcifications
Case 11:
Postmenopausal woman with a breast mass - colloid (mucinous) carcinoma of the
breast
Case 8:
52 year old woman with a breast mass - secretory carcinoma of the breast
Case 6:
66 year old woman with a well circumscribed breast mass - metaplastic carcinoma of the breast
Case 4:
59 year old woman with a breast mass - invasive micropapillary carcinoma of the breast
(metastatic to lymph node)
Case 253: 70 year old woman with cheek lesion - keratoacanthoma
Case 251: 68 year old man with multiple brown macules and plaques on face and body - Gorlin's syndrome (Nevoid basal cell carcinoma syndrome)
Case 225: 73 year old man with nodules on leg secondary to splinter injury while chopping firewood - Prototheca wickerhamii
Case 221:
34 year old woman with SLE and a skin rash - palisaded neutrophilic and granulomatous dermatitis
Case 190:
60 year old woman with "BCC" on cheek - storiform collagenoma
Case 272:50 year old man with multiple polyps in jejunum - Peutz Jegher (hamartomatous) polyp
Case 270: 65 year old man with multiple intestinal and mesenteric nodules - epithelioid GIST, plasmacytoid variant
Case 263: 53 year old woman with epigastric pain - Brunner gland hamartoma
Case 257: 50 year old man with watery diarrhea - intestinal spirochetosis and amebiasis
Case 249: 32 year old woman with tumor in cecal region - calcifying fibrous tumor of omentum
Case 240: 46 year old woman with chronic abdominal discomfort - diaphragm disease of small bowel
Case 237: 45 year old woman with large mass attached to mid-jejunum - malignant GIST
Case 234: 29 year old woman with cholecystectomy - osseous metaplasia
Case 231: 94 year old woman with GI bleed and spotty hyperpigmentation at endoscopy - melanosis duodeni
Case 226: 39 year old woman with duodenal polyp - pancreatic heterotopia
Case 223: 55 year old HIV+ man with granular and enlarged liver by ultrasound - Mycobacterium avium complex
Case 213:
48 year old man with prolonged diarrhea - intestinal spirochetosis
Case 210:
2 year old girl post-liver transplant with multiple bowel masses - post transplant EBV associated smooth muscle tumor
Case 189:
58 year old man with a large colonic polyp - tubulovillous adenoma with microcarcinoids
Case 186:
60 year old woman with clinically gangrenous gallbladder - adenomyoma
Case 177:
25 year old man with abdominal mass – angiomyolipoma of ileum
Case 163:
9 year old boy with perforated sigmoid colon - Ehlers-Danlos syndrome, vascular
type (type IV)
Case 161:
18 year old man with abdominal mass and biopsy - hepatocellular carcinoma, fibrolamellar
variant
Case 159:
31 year old woman with enlarged stomach lesion - GI histoplasmosis
Case 157:
20 year old woman with dyspepsia - gastric giardiasis
Case 154:
81 year old woman with cystic, papillary pancreatic tumor - IPMN, intestinal
type
Case 147:
40 year old man with massive rectal bleeding - inflammatory polyposis
Case 144:
63 year old man with gallbladder tumor - inflammatory MFH or dedifferentiated
liposarcoma
Case 143:
37 year old woman with abdominal mass - PEComa
Case 141:
42 year old woman with possible hepatic adenomas - focal fatty change
Case 136
24 year old woman with a 6 cm cystic pancreatic lesion - acinar cell cystadenoma
Case 134
10 year old girl with 15 cm liver mass - undifferentiated embryonal sarcoma
Case 133
43 year old Honduran man with diarrhea and abdominal pain - Stronglyoides stercoralis
Case 129
52 year old man with anal condyloma - coexisting syphilis
Case 127
56 year old woman with celiac sprue and nodular areas in the antrum - MALT lymphoma
Case 124:
55 year old man with duodenal polyp - gastric metaplasia/heterotopia
Case 121:
33 year old woman with pancreatic mass - solid pseudopapillary neoplasm
Case 102:
28 year old man had a history of ulcerative colitis - cap polyposis
Case 90:
33 year old woman with clinical appendicitis - Enterobius vermicularis infestation
Case 269: 59 year old man with a PSA of 7.9 - stromal tumor of uncertain malignant potential (STUMP)
Case 267: 75 year old woman with ulcerated mass of ureter - lymphoepithelioma-like carcinoma
Case 261: 11 year old boy with hydrocele - malignant papillary mesothelioma of testis
Case 258: 60 year old man with prostatectomy - signet ring adenocarcinoma
Case 254: 45 year old man with testicular swelling - paratesticular leiomyosarcoma
Case 244: 11 year old girl with renal mass and lung nodules - renal actinomycosis
Case 235: 52 year old man with unexplained renal failure - renal hemosiderosis
Case 229: 71 year old woman with end stage renal disease and multiple complex cystic renal lesions - clear cell papillary renal cell carcinoma
Case 228: 14 year old boy with recurrent scrotal and penile swelling - granulomatous lymphangitis
Case 220:
37 year old woman with renal mass - angiomyolipoma with predominant smooth muscle component
Case 219:
76 year old man with bladder wall mass - plasmacytoid variant of high grade urothelial carcinoma
Case 209:
72 year old man with TURP - nephrogenic adenoma of prostate
Case 204:
60 year old man with incidental renal mass - primary renal carcinoid tumor
Case 203:
43 year old man with ureteral tumor - primary leiomyoma of uretuer
Case 198:
55 year old woman with hematuria - pseudocarcinomatous epithelial hyperplasia of bladder
Case 195:
40 year old woman with bladder mass - paraganglioma
Case 194:
82 year old woman with mass in proximal urethra and bladder neck - clear cell adenocarcinoma
Case 187:
53 year old man on dialysis with incidental renal tumor - glomus tumor
Case 178:
69 year old woman with metastatic pancreatic adenocarcinoma and nephrotic syndrome
- thrombotic microangiopathy due to gemcitabine therapy
Case 145: 15
year old boy with paratesticular tumor - spindle cell embryonal
rhabdomyosarcoma
Case 273: 42 year old pregnant woman with ulcerated nodule on labia - ectopic mammary tissue of the vulva
Case 264: 22 year old pregnant woman with twins with oligohydramnios and polyhydramnios - twin transfusion syndrome
Case 256: 23 year old woman with vaginal discomfort - hymenal polyp, gastrointestinal type
Case 246: 53 year old woman with hysterectomy for vaginal bleeding - endometrial stromal sarcoma, low grade
Case 241: 30 year old woman with 2 cm circumscribed vulval mass - angiomyofibroblastoma
Case 233: 62 year old woman with 7 cm adnexal mass - endometrioid borderline tumor (ovary)
Case 232: 51 year old woman with incidental uterine 3 cm white-tan subserosal nodule - adenomatoid tumor
Case 211:
57 year old woman with endometrial polyp - uterine tumor resembling ovarian sex cord tumor
Case 207:
8 year old girl with pelvic mass - mixed malignant germ cell tumor - choriocarcinoma and mature teratoma
Case 205:
36 year old woman with multiple small cystic lesions of the pelvic peritoneum and small bowel mesentery - benign cystic mesothelioma
Case 202:
30 year old woman with cervical biopsy - adenocarcinoma in situ, endocervical type
Case 200:
2 month old girl with ulcerated chest wall nodule - metastatic choriocarcinoma
Case 193:
25 year old woman with enlarged placenta with numerous grape-like cysts - placental mesenchymal dysplasia
Case 184:
37 year old woman with ovarian mass - signet ring stromal tumor
Case 181:
28 year old woman with vulvar tumor - aggressive angiomyxoma
Case 172:
73 year old woman with vulvar mass - primary Bartholin's gland adenocarcinoma
Case 171:
Middle aged woman with vaginal nodule - spindle cell epithelioma of vagina
Case 162:
9 month old girl with imperforate anus and presacral mass - teratoma associated
with Currarino syndrome
Case 152:
54 year old woman with pelvic mass - metastatic pulmonary adenocarcinoma to
ovary
Case 268: 2 year old boy with parotid mass - gangliorhabdomyosarcoma
Case 248: 74 year old man with multinodular goiter - follicular adenoma with squamous cell carcinoma
Case 247: 61 year old woman with diffusely enlarged thyroid gland - amyloid goiter
Case 243: 28 year old man with submandibular mass - pleomorphic adenoma
Case 230: Middle-aged woman with locally recurrent thyroid tumor - sclerosing mucoepidermoid carcinoma with eosinophilia
Case 214:
44 year old man with parotid gland mass - low grade cribriform cystadenocarcinoma
Case 212:
70 year old man with enlarging thyroid nodule - rhabdomyoma
Case 201:
12 year old boy with malar rash - rhabdomyomatous mesenchymal hamartoma
Case 191:
54 year old man with large posterior nasal mass - seromucinous hamartoma
Case 183:
Elderly patient with mass behind ear - metastatic acinic cell carcinoma
Case 218:
35 year old HIV+ man with diffuse lymphadenopathy - mycobacterial spindle cell pseudotumor of lymph nodes
Case 192:
37 year old woman with breast mass - T cell lymphoma, peripheral type
Case 179:
62 year old woman with sudden epigastric pain – littoral cell angioma
Case 176:
66 year old man with abdominal pain - blastic plasmacytoid dendritic cell neoplasm
Case 175:
70 year old woman with cerebral mass - primary CNS lymphoma, diffuse large B
cell subtype
Case 151:
86 year old man with indurated cutaneous papules - atypical CML with leukemia
cutis and vasculitis
Case 140:
68 year old woman with eruption of violaceous skin nodules - leukemia cutis
Case 130: 27 year old woman wih a swelling of the fibula - myeloid sarcoma
Case 260: 75 year old woman with prior breast cancer and new liver mass - primary low-grade hepatic B-cell lymphoma of mucosa-associated lymphoid tissue (MALT) type
Case 266: 30 year old woman with hemoptysis and fever for 1 week - endobronchial carcinoid
Case 197:
85 year old woman with multiple lung nodules - pulmonary amyloidosis
Case 196:
Premature male with bilateral pleural effusions - primary pulmonary lymphangiectasis
Case 166:
8 month old infant with lung mass - Pleuropulmonary blastoma, type III
Case 105:
6 year old boy with bilateral pulmonary infiltrates - acute eosinophilic
pneumonia
Case 58:
Term newborn with abnormal fetal ultrasound and lobectomy - congenital cystic adenomatoid
malformation, type II
Case 23:
80 year old man with a lung nodule and enlarged mediastinal lymph nodes - epithelioid angiosarcoma
Case 9:
47 year old man with a pleural based lesion - schwannoma
Case 225: 73 year old man with nodules on leg secondary to splinter injury while chopping firewood - Prototheca wickerhamii
Case 223: 55 year old HIV+ man with granular and enlarged liver by ultrasound - Mycobacterium avium complex
Case 215:
2 year old boy with hemiparesis and contrast-enhancing lesion by MRI - Balamuthia mandrillaris encephalitis
Case 213:
48 year old man with prolonged diarrhea - intestinal spirochetosis
Case 265: 61 year old man with follicular lymphoma and cerebellar mass - progressive multifocal leukoencephalopathy
Case 259: 45 year old woman with headache and dural based lesion - microcystic meningioma, WHO grade I
Case 250: 4 month old boy with hypothalamic tumor - pilomyxoid astrocytoma
Case 242: 39 year old woman with dural mass - chordoid meningioma
Case 222: 18 year old woman with frontal lobe mass - alveolar soft part sarcoma
Case 216:
28 month old girl with mass lesions in 4th ventricle and cerebellum - medulloepithelioma
Case 215:
2 year old boy with hemiparesis and contrast-enhancing lesion by MRI - Balamuthia mandrillaris encephalitis
Case 208:
66 year old man with mass of fourth ventricle - giant cell ependymoma
Case 175:
70 year old woman with cerebral mass - primary CNS lymphoma, diffuse large B
cell subtype
Case 174:
45 year old Guyanese woman with severe headache - CNS toxoplasmosis
Case 119:
17 year old woman with intraventricular mass - central neurocytoma
Case 111:
71 year old man with filum terminale mass - myxopapillary ependymoma
Case 75:
57 year old man with a CNS intraventricular mass - subependymoma
Case 39:
16 year old girl with new onset of seizures and a temporal lobe mass -
pleomorphic xanthoastrocytoma
Case 38:
54 year old man with von Hippel Lindau disease and a cerebellar mass - hemangioblastoma
Case 224: 25 year old woman found dead in apartment with 6 cm tumor at cardiac apex - cardiac fibroma of right ventricle
Case 188:
61 year old woman with incidental adrenal cyst - ectopic thyroid tissue
Case 210:
2 year old girl post-liver transplant with multiple bowel masses - post transplant EBV associated smooth muscle tumor
Case 207:
8 year old girl with pelvic mass - mixed malignant germ cell tumor - choriocarcinoma and mature teratoma
Case 201:
12 year old boy with malar rash - rhabdomyomatous mesenchymal hamartoma
Case 200:
2 month old girl with ulcerated chest wall nodule - metastatic choriocarcinoma
Case 196:
Premature male with bilateral pleural effusions - primary pulmonary lymphangiectasis
Case 193:
25 year old woman with enlarged placenta with numerous grape-like cysts - placental mesenchymal dysplasia
Case 185:
5 month old boy with retrophyaryngeal mass - neuroblastoma
Case 166:
8 month old infant with lung mass - Pleuropulmonary blastoma, type III
Case 165:
4 month old child with midline skull lesion - Pigmented neuroectodermal tumor of infancy
Case 163:
9 year old boy with perforated sigmoid colon - Ehlers-Danlos syndrome, vascular
type (type IV)
Case 162:
9 month old girl with imperforate anus and presacral mass - teratoma associated
with Currarino syndrome
Case 123:
1 year old boy with neck mass - lipoblastoma
Case 106:
35 week fetus with distended abdomen - meconium peritonitis
Case 72:
Two year old boy with multiple skull masses - Langerhans cell histiocytosis
Case 268: 2 year old boy with parotid mass - gangliorhabdomyosarcoma
Case 262: 26 year old woman with thumb tumor / 37 year old woman with index finger cyst - nerve sheath myxoma
Case 245: 39 year old man with 9 cm soft tissue mass of thigh - hibernoma
Case 239: 29 year old man with 7 cm swelling in elbow - angiomatoid fibrous histiocytoma
Case 238: 81 year old man with subcutaneous mass of great toe - symplastic glomus tumor
Case 206:
80 year old man with multiple splenic infarcts - intimal sarcoma of abdominal aorta
Case 201:
12 year old boy with malar rash - rhabdomyomatous mesenchymal hamartoma
Case 199:
44 year old woman with recurrent mass of ankle / dorsum of foot - hemosiderotic fibrohistiocytic lipomatous tumor
Case 182:
55 year old man with neck mass - spindle cell lipoma, pseudoangiomatous variant
Case 181:
28 year old woman with vulvar tumor - aggressive angiomyxoma
Case 180:
29 year old woman with occipital mass – plexiform fibrohistiocytic tumor
Case 173:
39 year old man with buttock tumor - penicillin induced myospherulosis
Case 169:
58 year old woman with shoulder mass - low grade fibromyxoid sarcoma