Pathology Case of the Month

College of American Pathologists (CAP)

Listed by chronological order.

Sorted without diagnosis  Sorted with diagnosis  Show the codes in a separate window

Number	Clinical information
2020-05-1	A 36 year-old woman with a left hepatic mass.
2020-04-3	A 65 year-old man with a testicular mass.
2020-04-2	A 44 year-old woman with a large mass arising in the posterior wall of the bladder.
2020-04-1	A 2 year-old boy with a right upper quadrant mass.
2020-03-2	A 58 year-old woman with a 14 cm ovarian mass.
2020-03-1	A 66 year-old woman with a 10 cm mass at the periphery of her right upper lobe of lung.
2020-02-2	A 39 year-old man with cholecdocholithiasis, prominent appearing extrahepatic bile ducts, and a vague mass near the hilum of the liver as demonstrated by ultrasound.
2020-02-1	A 29 year-old woman with a 12 cm solid left ovarian mass.
2020-01-1	A 71 year-old with a 32 cm retroperitoneal mass.
2019-12-2	A 14 year-old boy with a large anterior mediastinal mass.
2019-12-1	A 57 year-old man with an 8 cm mass in his sacral area.
2019-11-2	A 62 year-old man with an enlarged left internal iliac lymph node.
2019-11-1	A 45 year-old with a 4.5 cm mass in her left flank.
2019-10-3	A 26 year-old woman with an 8 cm mass in her pancreas.
2019-10-2	A 56 year-old woman with a mass over her left lower thorax.
2019-10-1	An 18 year-old woman with a non-tender breast mass.
2019-09-2	A 70 year-old woman with a 7 cm supraclavicular neck mass.
2019-09-1	A 37 year-old woman with a uterine mass and extensive flattening in the colon accompanied by regional lymph node enlargement.
2019-09-1	A 23 year-old with an 8.5 cm right atrial mass.
2019-07-1	A 19 year-old woman with vaginal bleeding during the 14th week of pregnancy.
2019-06-2	A 24 year-old woman with profuse vaginal bleeding.
2019-06-1	A 56 year-old man with a 5.2 cm gastric tumor.
2019-05-3	A 67 year-old woman with splenomegaly.
2019-05-2	A 44 year-old man with a 10 cm exophytic, fungating penile mass.
2019-05-1	A 47 year-old woman with a 5.2 cm thigh mass.
2019-04-2	A 41 year-old with a mediastinal mass.
2019-04-1	A 4 year-old boy with a history of partial hepatectomy and now with multiple hepatic nodules.
2019-03-2	A 70 year-old woman with bilateral enlarged ovaries and an appendiceal lesion.
2019-03-1	A 67 year-old man with a 13.8 cm renal mass.
2019-02-2	A 72 year-old woman with a 7 cm deep mass in her upper extremity.
2019-02-1	A 37 year-old woman with a 10 cm renal mass.
2019-01-2	A 35 year-old man with a 7 cm testicular mass.
2019-01-1	A 92 year-old woman with a 6 cm gastric ulcer.
2018-12-2	A 38 weeks gestation boy with up-slanting eyes, webbed toes, and a mumur consistent with a ventricular septal defect.
2018-12-1	A 22 year-old 37 weeks pregnant woman with fetal distress.
2018-11-2	A 45 year-old with an infected wound.
2018-11-1	A 13 year-old boy with a 5 cm soft tissue mass the posterior aspect of his knee.
2018-10-2	A 68 year-old woman with a 4 cm parasagittal mass in her parietal lobe.
2018-10-1	A 41 year-old woman with a 12 cm cyst in her left lobe of liver.
2018-09-3	A 71 year-old man with a thymic mass.
2018-09-2	A 77 year-old with a 5 cm lung nodule
2018-09-1	A 65 year-old with a large abdominal mass involving the transverse colon and abdominal lymphadenopathy.
2018-08-1	A 24 year-old woman with a 5.3 m well-circumscribed hepatic nodule.
2018-07-2	A 30 year-old woman with a 20 cm cystic mass causing bowel obstruction.
2018-07-1	A 47 year-old man with a superficial posterior neck mass.
2018-06-2	A 66 year-old man with combined heart and liver transplantation.
2018-06-1	A 24 year-old woman with a 12 cm solid ovarian mass.
2018-05-2	A 39 year-old woman with a liver mass. (The clinical information and choices for diagnosis in this case is a mismatch. The image and the discussion are correct.)
2018-05-1	A 57 year-old woman with a large omental cake.
2018-04-2	A 74 year-old man with numerous masses in the distal small intestine and liver.
2018-04-1	A 3 year-old girl with an incidental posterior mediastinal mass.
2018-03-2	A 19 year-old man with a history of polycythemia vera and epigastric pain for several days. .
2018-03-1	A 21 year-old woman with a 6.5 cm breast mass.
2018-02-2	A 35 year-old with a 2.5 cm polypoid mobile mass attached to the left posterior vaginal wall.
2018-02-1	A 54 year-old abnormal perimenopausal bleeding and a 10 cm polypoid uterine mass filling her uterine cavity.
2018-01-3	A 4 year-old with an 8 cm paravertebral mass focally extending into the spinal canal.
2018-01-2	A 62 year-old woman with an 8 cm indurated rash on the right calf.
2018-01-1	A 79 year-old woman with a 2.4 cm parotid mass.
2017-12-1	A 9 year-old girl with a right adnexal mass.
2017-11-2	A 28 year-old man with generalized adenopathy and weight loss.
2017-11-1	A 67 year-old man with a 10.5 cm renal mass.
2017-10-2	A 9 month-old boy with a 6.5 cm renal mass.
2017-10-1	A 60 year-old woman with a 10 cm cystic ovarian mass.
2017-09-2	An 80 year-old woman with splenomegaly.
2017-09-1	A 66 year-old man with splenomegaly.
2017-08-2	A 48 year-old woman with a deep 7 cm mass in vulvar region.
2017-08-1	A 56 year-old with abnormal uterine bleeding.
2017-07-2	A 48 year-old woman with a 12.5 cm intrathoracic, mediastina, well-circumscribed mass.
2017-07-1	A 42 year-old man with a 5 cm testicular mass.
2017-06-2	A 21 year-old man with intermittent rectal bleeding.
2017-06-1	A 42 year-old woman with multiple nodules involving the liver.
2017-05-2	A 48 year-old woman with hypothyroidism and a firm to hard thyroid.
2017-05-1	A 50 year-old woman with sudden onset flank pain and low-grade fever, an irregular kidney with dilated pelvis.
2017-04-2	A 48 year-old man with a growing right neck mass.
2017-04-1	A 62 year-old woman with pleural effusion and multiple pleural tumor nodules on the right side.
2017-03-2	A 53 year-old man with a pedunculated mass in his left atrium.
2017-03-1	A 72 year-old man with a large exophytic and fungating mass involving the amputation stump.
2017-02-2	A 34 year-old woman presents at 27 weeks gestation with decreased fetal movement for three days, fever, chills, and body aches.
2017-02-1	A 53 year-old woman with an 8 cm adnexal mass.
2017-01-2	A 26 month-old boy with a 4.5 cm thigh mass without cutaneous involvement.
2017-01-1	A 40 year-old woman, with a thyroid nodules.
2016-12-2	A 46 year-old woman with progressive hirsutism and a slightly enlarged ovary.
2016-12-1	A 24 year-old pregnant woman with a 1 cm mass in her breast.
2016-11-2	A 23 year-old delivered a female neonate at 32 weeks’ gestation with low Apgar score and thrombocytopenia.
2016-11-1	A 20 year-old man with an enlarging testicular mass.
2016-10-2	A 52 year-old with an 8 cm mesenteric mass and history of rectal adenocarcinoma.
2016-10-1	A 33 year-old woman with myasthenia gravis and a 10 cm anterior mediastinal mass.
2016-09-2	A 59 year-old man with a 10 cm renal mass.
2016-09-1	A 49 year-old woman with a 15 cm adrenal mass.
2016-08-2	A 32 year-old with a 6.3 cm deep soft tissue mass in his thigh.
2016-08-1	A 3 month-old infant with a palpable abdominal mass.
2016-07-2	A 60 year-old man with a 2.5 cm lesion in his left upper lobe of lung.
2016-07-1	A 72 year-old woman with a 4.0 cm slowly spreading plaque in the vulva.
2016-06-3	A 57 year-old with a breast mass. She has a history of invasive ductal carcinoma of the breast 3 years ago.
2016-06-2	A 60 year-old man with abdominal pain and a 7 cm mesenteric mass.
2016-06-1	A 19 year-old woman with a pelvic mass.
2016-05-1	A 58 year-old man with a 2.8 cm pedunculated polyp discovered during surveillance colonoscopy.
2016-04-2	An 80 year-old man with a rapidly enlarging firm mobile inguinal mass.
2016-04-1	A 42 year-old woman with a 12 cm ovarian mass.
2016-03-2	A 52 year-old woman with gross hematuria and a left flank mass.
2016-03-1	A 57 year-old man with a long history of non-ischemic dilated cardiomyopathy and cardiac transplantation.
2016-02-2	A 9 year-old boy with a 12.5 cm liver mass.
2016-02-1	A 63 year-old man with progressive pancytopenia and a ruptured spleen.
2016-01-2	A 65 year-old man with a painful left intramedullary pelvic mass.
2016-01-1	A 57 year-old man with a sacral osteolytic mass compressing the surrounding nerves.