Home
Case
of Week Home
Jobs
Conferences
Fellowships
Books
Case of the Week - by category, no diagnosis
Last revised: 12 June 2013
We email subscribers an interesting pathology case with a short discussion 3 weeks per month. To subscribe or to change other email preferences, click here. These emails may contain advertising, but advertisers do not have access to email addresses. Cases are also posted on these pages. To contribute an interesting case, email NatPernick@gmail.com with images in JPG, GIF or TIFF format, a short clinical history and a diagnosis, as well as your mailing address. Please put the diagnosis in the subject line of the email. If we use the case, we will list you as the contributor and send you $50 (US dollars) by check or PayPal for your assistance.
Cases by category-no diagnosis (below); click here for cases by
clinical history; here
for cases by diagnosis, here for cases by category (with diagnosis)
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 Case 72:
Two year old boy with multiple skull masses Case 36:
7 year old girl with fine needle aspiration of a chest mass Case 28:
Elderly man with a fixed neck mass Case 9:
47 year old man with a pleural based lesion Dermatopathology top Case 160:
52 year old woman with chronic, diffuse, lichenified eruptions on leg Case 155: 18
year old woman with papules on legs x 12 years, now on hands Case 153: 34
year old woman with papular lesions on hand and face Case 151: 86
year old man with indurated cutaneous papules Case 140:
68 year old woman with eruption of violaceous skin nodules Case 116:
60 year old man with scalp nodule Case 113:
24 year old woman with abdominal skin lesion Case 107:
37 year old man with skin lesion in the back Case 71:
64 year old
woman with pruritic, erythematous plaques on her abdomen and back Case 56:
85 year old Mexican woman with pruritic and scaly plaques on her trunk Case 7:
19 year old man with lump on wrist Case 5:
20 year old woman with an “extranumerary nipple” top Case 86:
39 year old woman with a small intestinal mass Case 81:
36 year old man with a duodenal mass Case 33:
48 year old man with a 4 cm gastric mass Case 22:
51 year old man with symptomatic anemia and gastric masses Case 13:
31 year old woman with a pancreatic mass top Case 137:
72
year old man with a radical prostatectomy for prostatic adenocarcinoma Case 131: 76 year old
woman with hematuria Case 128: 29 year old man
with hydronephrosis Case 126: 19 year old man
with hypertension and renal insufficiency Case 122:
43 year old man with testicular tumor Case 117:
70 year old man with prostatectomy Case 106:
35 week fetus with distended abdomen Case 94:
57 year old man with tumor of renal pelvis Case 85:
66 year old man with a radical prostatectomy for prostatic adenocarcinoma Case 83:
72 year old woman with renal pelvis mass Case 76:
49 year old man with an inguinal mass Case 69:
34 year old man with a scrotal abscess Case 57:
3 month old girl with kidney mass Case 51:
56 year old man with large, cystic renal lesion Case 48:
50 year old woman with well encapsulated renal mass Case 43:
44 year old man with a 1 mm incidental renal mass at nephrectomy Case 40:
56 year old man with B cell CLL, post-treatment for a relapse, now with dysuria
and hematuria Case 32:
44 year old woman with incidental renal mass composed of straplike cells Case 30:
41 year old man with diabetes and renal failure after an upper respiratory
infection Case 26:
29 year old man with a testicular mass Case 19:
40 year old woman with large renal mass Case 18:
23 year old man with pain in the right testis top Case 146:
51 year old woman with vaginal polyp Case 135: 50 year old
woman with vaginal bleeding Case 125:
62 year old woman with post-menopausal bleeding Case 109:
58 year old woman with post-menopausal bleeding Case 96:
55 year old woman with a pelvic mass Case 92:
59 year old woman with a vaginal discharge Case 91:
44 year old woman with CIN II-III Case 60:
45 year old woman with menometrorrhagia Case 59:
7 year old girl with precocious puberty and ovarian mass Case 55:
50 year old woman with an ileocecal mass Case 53:
HIV positive woman from Case 31:
44 year old woman with extensive tumor deposits on the omentum, uterus, tubes
and ovaries Case 12:
22 year old woman with an ovarian mass top Case 156:
50 year old man with erythematous gingiva Case 142:
17 year old woman with floor of mouth tumor Case 139:
53 year old man with bipolar disorder and sudden death Case 138:
51
year old man with a nasal turbinate mass Case 115:
61 year old man with eyelid swelling Case 112:
76 year old man with nasopharyngeal mass Case 108:
86 year old woman with neck pain and difficulty swallowing Case 104:
22 year old man with fine needle aspiration of a neck nodule Case 103:
86 year old man with stable parotid mass Case 101:
40 year old woman with nasal mass Case 100:
50 year old man with bilateral neck masses Case 97:
29 year old man from Case 84:
58 year old woman with chronic sinusitis Case 82:
57 year old
man with papillary lesions on his palate Case 73:
66 year old man with a cyst-like lesion of the mandible Case 54:
59 year old woman with a slow growing parotid mass Case 49:
68 year old woman with large soft palate tumor Case 42:
63 year old man with painful cheek mass Case 28:
Elderly man with a fixed neck mass Case 24:
43 year old man with chronic sinusitis and a nasal polyp Case 14:
17 year old woman with loosening of lower incisors top Case 127: 56 year old
woman with celiac sprue and nodular areas in the antrum Case 120:
88 year old woman with abnormal CBC Case 118:
60 year old man with lower leg edema Case 101:
40 year old woman with nasal mass Case 95:
55 year old man with a nodular patch in the cecum at colonscopy Case 93:
63 year old woman with axillary mass Case 89:
22 year old woman with cervical adenopathy and no other medical history Case 87:
41 year old HIV+ man with pancytopenia and skin nodules Case 81:
36 year old man with a duodenal mass Case 79:
Elderly man with an enlarged supraclavicular lymph node Case 74:
65 year old woman with backache, abnormal plasma cells but a normal serum
protein electrophoresis Case 41:
72 year old woman with multiple strokes Case 36:
7 year old girl with fine needle aspiration of a chest mass Case 27:
22 year old woman with worsening pelvic pain Case 21:
64 year old Japanese woman with multiple opportunistic infections Case 2:
Incidental splenic mass during laparoscopy for excision of benign pancreatic
cyst Case 1:
46 year old man with mediastinal mass top Case 164:
51 year old man with liver disease Case 88:
13 month old girl with incidental liver mass Case 70:
47 year old woman with a multilocular hepatic cyst Case 61:
15 month old boy with an asymptomatic liver mass Case 44:
20 year old woman with liver mass identified after childbirth top top Case 174:
45 year old
Guyanese woman with severe headache Case 133: 43 year old
Honduran man with diarrhea and abdominal pain Case 87:
41 year old HIV+ man with pancytopenia and skin nodules 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 top top Case 170:
36 year old man with adrenal mass Case 150:
37 year old woman with pericardial mass Case 114:
47 year old woman with left ventricular mass Case 99:
70 year old man with mediastinal mass Case 98:
18 year old man with pigmented thyroid gland at autopsy Case 78:
65 year old woman with a left atrial mass Case 17:
61 year old woman with a mediastinal mass top Case 67:
2 year old with an abdominal mass Case 59:
7 year old girl with precocious puberty and ovarian mass Case 58:
Term newborn with abnormal fetal ultrasound and lobectomy Case 57:
3 month old girl with kidney mass Soft tissue and Bone pathology top Case 167:
35 year old man with neck mass Case 165:
4 month old
child with midline skull lesion Case 158:
26 year old woman with mass on palm of hand Case 149:
50 year old woman with thigh mass Case 145: 15
year old boy with paratesticular tumor Case 132: 54 year old
woman with supraclavicular mass Case 130: 27 year old
woman with a swelling of the fibula Case 123:
1 year old boy with neck mass Case 110:
47 year old man with low back pain Case 107:
37 year old man with skin lesion in the back Case 80:
28 year old man with a red thigh nodule for 6 months suggestive of Kaposi’s
sarcoma Case 77:
55 year old man with a large thigh mass Case 72:
Two year old boy with multiple skull masses Case 66:
71 year old man with a popliteal fossa mass Case 65:
37 year old woman with a wrist mass Case 64:
55 year old bedridden man with a hip mass Case 63:
53 year old man with a recurrent, painful pretibial mass Case 52:
33 year old
man with an asymptomatic hand mass Case 50:
12 year old girl with superficial nodular tumor of back Case 47:
16 year old girl with tumor of foot Case 46:
Elderly individuals with scapular masses Case 34:
24 year old man with an inguinal soft tissue discharging chalky fluid Case 29:
33 year old woman with soft tissue mass of cheek Case 20:
22 year old man with Mafucci’s syndrome and painful swellings of hands and feet Case 16:
56 year old man with a retroperitoneal mass Case 15:
62 year old man with a slowly enlarging thumb mass Case 10: 30 year old man
with a thigh lesion Case 3:
90 year old woman with recurrent soft tissue tumor from the ankle region End of Case of Week by Category-no diagnosis page
Case 271: 61 year old woman with mammographic breast mass
Case 255: 30 year old woman with 12 cm breast mass
Case 252: 64 year old woman with small breast mass
Case 236: 71 year old woman with invasive breast cancer
Case 227: 60 year old woman with breast mass
Case 217:
55 year old woman with axillary tail mass
Case 192:
37 year old woman with breast mass
Case 168:
67 year old woman with mammographic calcifications
Case 68:
84 year old woman with a breast nodule
Case 62:
22 year old woman with an enlarging breast mass
Case 45:
72 year old woman with lumpectomy for mammographic calcifications
Case 37:
48 year old woman with a mammary fibroadenoma containing atypical cells
Case 35:
54 year old woman with large breast mass and nipple discharge
Case 25:
61 year old woman with suspicious microcalcifications on mammography
Case 11:
Postmenopausal woman with a breast mass
Case 8:
52 year old woman with a breast mass
Case 6:
66 year old woman with a well circumscribed breast mass
Case 4:
59 year old woman with a breast mass
Case 253: 70 year old woman with cheek lesion
Case 251: 68 year old man with multiple brown macules and plaques on face and body
Case 225: 73 year old man with nodules on leg secondary to splinter injury while chopping firewood
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
Case 275: 35 year old woman exposed to Chernobyl explosion with upper abdominal pain
Case 272: 50 year old man with multiple polyps in jejunum
Case 270: 65 year old man with multiple intestinal and mesenteric nodules
Case 263: 53 year old woman with epigastric pain
Case 257: 50 year old man with watery diarrhea
Case 249: 32 year old woman with tumor in cecal region
Case 240: 46 year old woman with chronic abdominal discomfort
Case 237: 45 year old woman with large mass attached to mid-jejunum
Case 234: 29 year old woman with cholecystectomy
Case 231: 94 year old woman with GI bleed and spotty hyperpigmentation at endoscopy
Case 226: 39 year old woman with duodenal polyp
Case 223: 55 year old HIV+ man with granular and enlarged liver by ultrasound
Case 213:
48 year old man with prolonged diarrhea
Case 210:
2 year old girl post-liver transplant with multiple bowel masses
Case 189:
58 year old man with a large colonic polyp
Case 186:
60 year old woman with clinically gangrenous gallbladder
Case 177:
25 year old man with abdominal mass
Case 163:
9 year old boy with perforated sigmoid colon
Case 161:
18 year old man with abdominal mass and biopsy
Case 159:
31 year old woman with enlarged stomach lesion
Case 157:
20 year old woman with dyspepsia
Case 154:
81 year old woman with cystic, papillary pancreatic tumor
Case 147:
40 year old man with massive rectal bleeding
Case 144:
63 year old man with gallbladder tumor
Case 143:
37 year old woman with abdominal mass
Case 141:
42 year old woman with possible hepatic adenomas
Case 136
24 year old woman with a 6 cm cystic pancreatic lesion
Case 134
10 year old girl with 15 cm liver mass
Case 133
43 year old Honduran man with diarrhea and abdominal pain
Case 129
52 year old man with anal condyloma
Case 127
56 year old woman with celiac sprue and nodular areas in the antrum
Case 124:
55 year old man with duodenal polyp
Case 121:
33 year old woman with pancreatic mass
Case 102:
28 year old man had a history of ulcerative colitis
Case 90:
33 year old woman with clinical appendicitis
Case 269: 59 year old man with a PSA of 7.9
Case 267: 75 year old woman with ulcerated mass of ureter
Case 261: 11 year old boy with hydrocele
Case 258: 60 year old man with prostatectomy
Case 254: 45 year old man with testicular swelling
Case 244: 11 year old girl with renal mass and lung nodules
Case 235: 52 year old man with unexplained renal failure
Case 229: 71 year old woman with end stage renal disease and multiple complex cystic renal lesions
Case 228: 14 year old boy with recurrent scrotal and penile swelling
Case 220:
37 year old woman with renal mass
Case 219:
76 year old man with bladder wall mass
Case 209:
72 year old man with TURP
Case 204:
60 year old man with incidental renal mass
Case 203:
43 year old man with ureteral tumor
Case 198:
55 year old woman with hematuria
Case 195:
40 year old woman with bladder mass
Case 194:
82 year old woman with mass in proximal urethra and bladder neck
Case 187:
53 year old man on dialysis with incidental renal tumor
Case 178:
69 year old woman with metastatic pancreatic adenocarcinoma and nephrotic syndrome
Case 145: 15
year old boy with paratesticular tumor
Case 273: 42 year old pregnant woman with ulcerated nodule on labia
Case 264: 22 year old pregnant woman with twins with oligohydramnios and polyhydramnios
Case 256: 23 year old woman with vaginal discomfort
Case 246: 53 year old woman with hysterectomy for vaginal bleeding
Case 241: 30 year old woman with 2 cm circumscribed vulval mass
Case 233: 62 year old woman with 7 cm adnexal mass
Case 232: 51 year old woman with incidental uterine 3 cm white-tan subserosal nodule
Case 211:
57 year old woman with endometrial polyp
Case 207:
8 year old girl with pelvic mass
Case 205:
36 year old woman with multiple small cystic lesions of the pelvic peritoneum and small bowel mesentery
Case 202:
30 year old woman with cervical biopsy
Case 200:
2 month old girl with ulcerated chest wall nodule
Case 193:
25 year old woman with enlarged placenta with numerous grape-like cysts
Case 184:
37 year old woman with ovarian mass
Case 181:
28 year old woman with vulvar tumor
Case 172:
73 year old woman with vulvar mass
Case 171:
Middle aged woman with vaginal nodule
Case 162:
9 month old girl with imperforate anus and presacral mass
Case 152:
54 year old woman with pelvic mass
Case 276: 11 year old boy with tonsillar mass
Case 274: 65 year old man with swelling around gums and teeth
Case 268: 2 year old boy with parotid mass
Case 248: 74 year old man with multinodular goiter
Case 247: 61 year old woman with diffusely enlarged thyroid gland
Case 243: 28 year old man with submandibular mass
Case 230: Middle-aged woman with locally recurrent thyroid tumor
Case 214:
44 year old man with parotid gland mass
Case 212:
70 year old man with enlarging thyroid nodule
Case 201:
12 year old boy with malar rash
Case 191:
54 year old man with large posterior nasal mass
Case 183:
Elderly patient with mass behind ear
Case 260: 75 year old woman with prior breast cancer and new liver mass
Case 218:
35 year old HIV+ man with diffuse lymphadenopathy
Case 192:
37 year old woman with breast mass
Case 179:
62 year old woman with sudden epigastric pain
Case 176:
66 year old man with abdominal pain
Case 175:
70 year old woman with cerebral mass
Case 151:
86 year old man with indurated cutaneous papules
Case 140:
68 year old woman with eruption of violaceous skin nodules
Case 130: 27 year old woman wih a swelling of the fibula
Case 260: 75 year old woman with prior breast cancer and new liver mass
Case 266: 30 year old woman with hemoptysis and fever for 1 week
Case 197:
85 year old woman with multiple lung nodules
Case 196:
Premature male with bilateral pleural effusions
Case 166:
8 month old infant with lung mass
Case 105:
6 year old boy with bilateral pulmonary infiltrates
Case 58:
Term newborn with abnormal fetal ultrasound and lobectomy
Case 23:
80 year old man with a lung nodule and enlarged mediastinal lymph nodes
Case 9:
47 year old man with a pleural based lesion
Case 225: 73 year old man with nodules on leg secondary to splinter injury while chopping firewood
Case 223: 55 year old HIV+ man with granular and enlarged liver by ultrasound
Case 215:
2 year old boy with hemiparesis and contrast-enhancing lesion by MRI
Case 213:
48 year old man with prolonged diarrhea
Case 265: 61 year old man with follicular lymphoma and cerebellar mass
Case 259: 45 year old woman with headache and dural based lesion
Case 250: 4 month old boy with hypothalamic tumor
Case 242: 39 year old woman with dural mass
Case 222: 18 year old woman with frontal lobe mass
Case 216:
28 month old girl with mass lesions in 4th ventricle and cerebellum
Case 215:
2 year old boy with hemiparesis and contrast-enhancing lesion by MRI
Case 208:
66 year old man with mass of fourth ventricle
Case 175:
70 year old woman with cerebral mass
Case 174:
45 year old Guyanese woman with severe headache
Case 119:
17 year old woman with intraventricular mass
Case 111:
71 year old man with filum terminale mass
Case 75:
57 year old man with a CNS intraventricular mass
Case 39:
16 year old girl with new onset of seizures and a temporal lobe mass
Case 38:
54 year old man with von Hippel Lindau disease and a cerebellar mass
Case 224: 25 year old woman found dead in apartment with 6 cm tumor at cardiac apex
Case 188:
61 year old woman with incidental adrenal cyst
Case 210:
2 year old girl post-liver transplant with multiple bowel masses
Case 207:
8 year old girl with pelvic mass
Case 201:
12 year old boy with malar rash
Case 200:
2 month old girl with ulcerated chest wall nodule
Case 196:
Premature male with bilateral pleural effusions
Case 193:
25 year old woman with enlarged placenta with numerous grape-like cysts
Case 185:
5 month old boy with retrophyaryngeal mass
Case 166:
8 month old infant with lung mass
Case 165:
4 month old child with midline skull lesion
Case 163:
9 year old boy with perforated sigmoid colon
Case 162:
9 month old girl with imperforate anus and presacral mass
Case 123:
1 year old boy with neck mass
Case 106:
35 week fetus with distended abdomen
Case 72:
Two year old boy with multiple skull masses
Case 268: 2 year old boy with parotid mass
Case 262: 26 year old woman with thumb tumor / 37 year old woman with index finger cyst
Case 245: 39 year old man with 9 cm soft tissue mass of thigh
Case 239: 29 year old man with 7 cm swelling in elbow
Case 238: 81 year old man with subcutaneous mass of great toe
Case 206:
80 year old man with multiple splenic infarcts
Case 201:
12 year old boy with malar rash
Case 199:
44 year old woman with recurrent mass of ankle / dorsum of foot
Case 182:
55 year old man with neck mass
Case 181:
28 year old woman with vulvar tumor
Case 180:
29 year old woman with occipital mass
Case 173:
39 year old man with buttock tumor
Case 169:
58 year old woman with shoulder mass