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Case of the Week
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. To contribute an interesting case, email NatPernick@gmail.com
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Cases by clinical
history are below; click here for cases
by diagnosis, here for cases
by category with diagnosis, here for cases
by category (no diagnosis), here for
select cases in Turkish)
Case 276: 11 year old boy with tonsillar mass
Case 275: 35 year old woman exposed to Chernobyl explosion with upper abdominal pain
Case 274: 65 year old man with swelling around gums and teeth
Case 273: 42 year old pregnant woman with ulcerated nodule on labia
Case 272: 50 year old man with multiple polyps in jejunum
Case 271: 61 year old woman with mammographic breast mass
Case 270: 65 year old man with multiple intestinal and mesenteric nodules
Case 269: 59 year old man with a PSA of 7.9
Case 268: 2 year old boy with parotid mass
Case 267: 75 year old woman with ulcerated mass of ureter
Case 266: 30 year old woman with hemoptysis and fever for 1 week
Case 265: 61 year old man with follicular lymphoma and cerebellar mass
Case 264: 22 year old pregnant woman with twins with oligohydramnios and polyhydramnios
Case 263: 53 year old woman with epigastric pain
Case 262: 26 year old woman with thumb tumor / 37 year old woman with index finger cyst
Case 261: 11 year old boy with hydrocele
Case 260: 75 year old woman with prior breast cancer and new liver mass
Case 259: 45 year old woman with headache and dural based lesion
Case 258: 60 year old man with prostatectomy
Case 257: 50 year old man with watery diarrhea
Case 256: 23 year old woman with vaginal discomfort
Case 255: 30 year old woman with 12 cm breast mass
Case 254: 45 year old man with testicular swelling
Case 253: 70 year old woman with cheek lesion
Case 252: 64 year old woman with small breast mass
Case 251: 68 year old man with multiple brown macules and plaques on face and body
Case 250: 4 month old boy with hypothalamic tumor
Case 249: 32 year old woman with tumor in cecal region
Case 248: 74 year old man with multinodular goiter
Case 247: 61 year old woman with diffusely enlarged thyroid gland
Case 246: 53 year old woman with hysterectomy for vaginal bleeding
Case 245: 39 year old man with 9 cm soft tissue mass of thigh
Case 244: 11 year old girl with renal mass and lung nodules
Case 243: 28 year old man with submandibular mass
Case 242: 39 year old woman with dural mass
Case 241: 30 year old woman with 2 cm circumscribed vulval mass
Case 240: 46 year old woman with chronic abdominal discomfort
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 237: 45 year old woman with large mass attached to mid-jejunum
Case 236: 71 year old woman with invasive breast cancer
Case 235: 52 year old man with unexplained renal failure
Case 234: 29 year old woman with cholecystectomy
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 231: 94 year old woman with GI bleed and spotty hyperpigmentation at endoscopy
Case 230: Middle-aged woman with locally recurrent thyroid tumor
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 227: 60 year old woman with breast mass
Case 226: 39 year old woman with duodenal polyp
Case 225: 73 year old man with nodules on leg secondary to splinter injury while chopping firewood
Case 224: 25 year old woman found dead in apartment with 6 cm tumor at cardiac apex
Case 223: 55 year old HIV+ man with granular and enlarged liver by ultrasound
Case 222: 18 year old woman with frontal lobe mass
Case 221:
34 year old woman with SLE and a skin rash
Case 220:
37 year old woman with renal mass
Case 219:
76 year old man with bladder wall mass
Case 218:
35 year old HIV+ man with diffuse lymphadenopathy
Case 217:
55 year old woman with axillary tail 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 214:
44 year old man with parotid gland mass
Case 213:
48 year old man with prolonged diarrhea
Case 212:
70 year old man with enlarging thyroid nodule
Case 211:
57 year old woman with endometrial polyp
Case 210:
2 year old girl post-liver transplant with multiple bowel masses
Case 209:
72 year old man with TURP
Case 208:
66 year old man with mass of fourth ventricle
Case 207:
8 year old girl with pelvic mass
Case 206:
80 year old man with multiple splenic infarcts
Case 205:
36 year old woman with multiple small cystic lesions of the pelvic peritoneum and small bowel mesentery
Case 204:
60 year old man with incidental renal mass
Case 203:
43 year old man with ureteral tumor
Case 202:
30 year old woman with cervical biopsy
Case 201:
12 year old boy with malar rash
Case 200:
2 month old girl with ulcerated chest wall nodule
Case 199:
44 year old woman with recurrent mass of ankle / dorsum of foot
Case 198:
55 year old woman with hematuria
Case 197:
85 year old woman with multiple lung nodules
Case 196:
Premature male with bilateral pleural effusions
Case 195:
40 year old woman with bladder mass
Case 194:
82 year old woman with mass in proximal urethra and bladder neck
Case 193:
25 year old woman with enlarged placenta with numerous grape-like cysts
Case 192:
37 year old woman with breast mass
Case 191:
54 year old man with large posterior nasal mass
Case 190:
60 year old woman with "BCC" on cheek
Case 189:
58 year old man with a large colonic polyp
Case 188:
61 year old woman with incidental adrenal cyst
Case 187:
53 year old man on dialysis with incidental renal tumor
Case 186:
60 year old woman with clinically gangrenous gallbladder
Case 185:
5 month old boy with retrophyaryngeal mass
Case 184:
37 year old woman with ovarian mass
Case 183:
Elderly patient with mass behind ear
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 179:
62 year old woman with sudden epigastric pain
Case 178:
69 year old woman with metastatic pancreatic adenocarcinoma and nephrotic
syndrome
Case 177:
25 year old man with abdominal mass
Case 176:
66 year old man with abdominal pain
Case 175:
70 year old woman with cerebral mass
Case 174:
45 year old
Guyanese woman with severe headache
Case 173:
39 year old man with buttock tumor
Case 172:
73 year old woman with vulvar mass
Case 171: Middle aged woman with vaginal nodule
Case 170:
36 year old man with adrenal mass
Case 169:
58 year old woman with shoulder mass
Case 168: 67 year old woman with mammographic calcifications
Case 167: 35 year old man with neck mass
Case 166: 8 month old infant with lung mass
Case 165: 4 month old child with midline skull lesion
Case 164: 51 year old man with liver disease
Case 163: 9 year old boy with perforated sigmoid colon
Case 162: 9 month old girl with imperforate anus and presacral mass
Case 161: 18 year old man with abdominal mass and biopsy
Case 160: 52 year old woman with chronic, diffuse, lichenified eruptions on leg
Case 159: 31 year old woman with enlarged stomach lesion
Case 158: 26 year old woman with mass on palm of hand
Case 157: 20 year old woman with dyspepsia
Case 156: 50 year old man with erythematous gingiva
Case 155: 18 year old woman with papules on legs x 12 years, now on hands
Case 154: 81 year old woman with cystic, papillary pancreatic tumor
Case 153: 34 year old woman with papular lesions on hand and face
Case 152: 54 year old woman with pelvic mass
Case 151: 86 year old man with indurated cutaneous papules
Case 150: 37 year old woman with pericardial mass
Case 149: 50 year old woman with thigh mass
Case 148: 59 year old man with testicular mass
Case 147: 40 year old man with massive rectal bleeding
Case 146: 51 year old woman with vaginal polyp
Case 145: 15 year old boy with paratesticular tumor
Case 144: 63 year old man with gallbladder tumor
Case 143: 37 year old woman with abdominal mass
Case 142: 17 year old woman with floor of mouth tumor
Case 141: 42 year old woman with possible hepatic adenomas
Case 140: 68 year old woman with eruption of violaceous skin nodules
Case 139: 53 year old man with bipolar disorder and sudden death
Case 138: 51 year old man with a nasal turbinate mass
Case 137: 72 year old man with a radical prostatectomy for prostatic adenocarcinoma
Case 136: 24 year old woman with a 6 cm cystic pancreatic lesion
Case 135: 50 year old woman with vaginal bleeding
Case 134: 10 year old girl with 15 cm liver mass
Case 133: 43 year old Honduran man with diarrhea and abdominal pain
Case 132: 54 year old woman with supraclavicular mass
Case 131: 76 year old woman with hematuria
Case 130: 27 year old woman with a swelling of the fibula
Case 129: 52 year old man with anal condyloma
Case 128: 29 year old man with hydronephrosis
Case 127: 56 year old woman with celiac sprue and nodular areas in the antrum
Case 126: 19 year old man with hypertension and renal insufficiency
Case 125: 62 year old woman with post-menopausal bleeding
Case 124: 55 year old man with duodenal polyp
Case 123: 1 year old boy with neck mass
Case 122: 43 year old man with testicular tumor
Case 121: 33 year old woman with pancreatic mass
Case 120: 88 year old woman with abnormal CBC
Case 119: 17 year old woman with intraventricular mass
Case 118: 60 year old man with lower leg edema
Case 117: 70 year old man with prostatectomy
Case 116: 60 year old man with scalp nodule
Case 115: 61 year old man with eyelid swelling
Case 114: 47 year old woman with left ventricular mass
Case 113: 24 year old woman with abdominal skin lesion
Case 112: 76 year old man with nasopharyngeal mass
Case 111: 71 year old man with filum terminale mass
Case 110: 47 year old man with low back pain
Case 109: 58 year old woman with post-menopausal bleeding
Case 108: 86 year old woman with neck pain and difficulty swallowing
Case 107: 37 year old man with skin lesion in the back
Case 106: 35 week fetus with distended abdomen
Case 105: 6 year old boy with bilateral pulmonary infiltrates
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 102: 28 year old man had a history of ulcerative colitis
Case 101: 40 year old woman with nasal mass
Case 100: 50 year old man with bilateral neck masses
Case 99: 70 year old man with mediastinal mass
Case 98: 18 year old man with pigmented thyroid gland at autopsy
Case 97:
29 year old man from
Case 96: 55 year old woman with a pelvic mass
Case 95: 55 year old man with a nodular patch in the cecum at colonscopy
Case 94: 57 year old man with tumor of renal pelvis
Case 93: 63 year old woman with axillary mass
Case 92: 59 year old woman with a vaginal discharge
Case 91: 44 year old woman with CIN II-III
Case 90: 33 year old woman with clinical appendicitis
Case 89: 22 year old woman with cervical adenopathy and no other medical history
Case 88: 13 month old girl with incidental liver mass
Case 87: 41 year old HIV+ man with pancytopenia and skin nodules
Case 86: 39 year old woman with a small intestinal mass
Case 85: 66 year old man with a radical prostatectomy for prostatic adenocarcinoma
Case 84: 58 year old woman with chronic sinusitis
Case 83: 72 year old woman with renal pelvis mass
Case 82: 57 year old man with papillary lesions on his palate
Case 81: 36 year old man a with duodenal mass
Case 80: 28 year old man with a red thigh nodule for 6 months suggestive of Kaposi’s sarcoma
Case 79: An elderly man with an enlarged supraclavicular lymph node
Case 78: 65 year old woman with a left atrial mass
Case 77: 55 year old man with a large thigh mass
Case 76: 49 year old man with an inguinal mass
Case 75: 57 year old man with a CNS intraventricular mass
Case 74: 65 year old woman with backache, abnormal plasma cells but a normal serum protein electrophoresis
Case 73: 66 year old man with a cyst-like lesion of the mandible
Case 72: Two year old boy with multiple skull masses
Case 71: 64 year old woman with pruritic, erythematous plaques on her abdomen and back
Case 70: 47 year old woman with a multilocular hepatic cyst
Case 69: 34 year old man with a scrotal abscess
Case 68: 84 year old woman with a breast nodule
Case 67: 2 year old with an abdominal mass
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 62: 22 year old woman with an enlarging breast mass
Case 61: 15 month old boy with an asymptomatic liver mass
Case 60: 45 year old woman with menometrorrhagia
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
Case 56: 85 year old Mexican woman with pruritic and scaly plaques on her trunk
Case 55: 50 year old woman with an ileocecal mass
Case 54: 59 year old woman with a slow growing parotid mass
Case 53:
HIV positive woman from
Case 52: 33 year old man with an asymptomatic hand mass
Case 51: 56 year old man with large, cystic renal lesion
Case 50: 12 year old girl with superficial nodular tumor of back
Case 49: 68 year old woman with large soft palate tumor
Case 48: 50 year old woman with well encapsulated renal mass
Case 47: 16 year old girl with tumor of foot
Case 46: Elderly individuals with scapular masses
Case 45: 72 year old woman with lumpectomy for mammographic calcifications
Case 44: 20 year old woman with liver mass identified after childbirth
Case 43: 44 year old man with a 1 mm incidental renal mass at nephrectomy
Case 42: 63 year old man with painful cheek mass
Case 41: 72 year old woman with multiple strokes
Case 40: 56 year old man with B cell CLL, post-treatment for a relapse, now with dysuria and hematuria
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 37: 48 year old woman with a mammary fibroadenoma containing atypical cells
Case 36: 7 year old girl with fine needle aspiration of a chest mass
Case 35: 54 year old woman with large breast mass and nipple discharge
Case 34: 24 year old man with an inguinal soft tissue discharging chalky fluid
Case 33: 48 year old man with a 4 cm gastric mass
Case 32: 44 year old woman with incidental renal mass with straplike cells
Case 31: 44 year old woman with extensive tumor deposits on the omentum, uterus, tubes and ovaries
Case 30: 41 year old man with diabetes and renal failure after an upper respiratory infection
Case 29: 33 year old woman with soft tissue mass of cheek
Case 28: Elderly man with a fixed neck mass
Case 27: 22 year old woman with worsening pelvic pain
Case 26: 29 year old man with a testicular mass
Case 25: 61 year old woman with suspicious microcalcifications on mammography
Case 24: 43 year old man with chronic sinusitis and a nasal polyp
Case 23: 80 year old man with a lung nodule and enlarged mediastinal lymph nodes
Case 22: 51 year old man with symptomatic anemia and gastric masses
Case 21: 64 year old Japanese woman with multiple opportunistic infections
Case 20: 22 year old man with Mafucci’s syndrome and painful swellings of hands and feet
Case 19: 40 year old woman with large renal mass
Case 18: 23 year old man with pain in the right testis
Case 17: 61 year old woman with a mediastinal mass
Case 16: 56 year old man with a retroperitoneal mass
Case 15: 62 year old man with a slowly enlarging thumb mass
Case 14: 17 year old woman with loosening of lower incisors
Case 13: 31 year old woman with a pancreatic mass
Case 12: 22 year old woman with an ovarian mass
Case 11: Postmenopausal woman with a breast mass
Case 10: 30 year old man with a thigh lesion
Case 9: 47 year old man with a pleural based lesion
Case 8: 52 year old woman with a breast mass
Case 7: 19 year old man with lump on wrist
Case 6: 66 year old woman with a well circumscribed breast mass
Case 5: 20 year old woman with an “extranumerary nipple”
Case 4: 59 year old woman with a breast mass
Case 3: 90 year old woman with recurrent soft tissue tumor from the ankle region
Case 2: Incidental splenic mass during laparoscopy for excision of benign pancreatic cyst
Case 1: 46 year old man with mediastinal mass
End of Case of Week page