All Questions 201-400 Flashcards
22yo F with abnormal Pap smear and no history of irregular menstrual, postcoital bleeding, or vaginal discharge.
Cervical carcinoma in situ.
29yo Vietnames F with nausea, vaginal bleeding, dyspnea, and hemoptysis.
Choriocarcinoma. Can develop during normal pregnancy, s/p hydatidiform mole, or previous spontaneous abortion. Elevated hCG.
45yo F with gross difference in size of her breasts with sensation of fullness but no pain. Exam reveals large, firm mass.
Cystosarcoma phyllodes. Less common benign tumor of breast. Mass tends to be mobile and is well circumscribed. Path = cystic spaces on cut section, producing recesses and longitudinal openings with ‘leaflike’ (phyllodes) appearance.
25yo W with amenorrhea for 6 weeks and development of pelvic pain for 1 day.
Ectopic pregnancy. Risk factors = previous tubal surgery, tubal ligation, endometriosis, previous ectopic pregnancy, ovulation induction, pelvic inflammatory disease. Test of choice = hCG and ultrasound (can get transvaginal US if needed).
60yo F with obesity presents with intermittent vaginal bleeding for three months. Has never had children.
Endometrial CA. Estrogen-dependent cancer. Rx: hysterectomy, radiation. Important to include in differential of postmenopausal bleeding.
27yo with inability to conceive, painful intercourse, and painful menses.
Endometriosis = extrauterine endometrial tissue. Can be located in various locations with unique symptoms , most frequently bilateral ovaries = chocolate cysts.
27yo F marathon runner with painful lump breast. Mammography reveals irregular mass with focal areas of calcification.
Fat necrosis. Indurated lesion with retraction of overylying skin. Unilateral localized process associated with trauma, breast biopsy, and radiation. Easy to confuse with CA… pain is the key distinguishing feature.
25yo F with right breast lump that is small, encapsulated, and freely moveable.
Fibroadenoma. #1 benign breast tumor in young women; sometimes enlarges during pregnancy or normal menstrual cycles. Mammogram = “popcorn calcifications”.
20yo F with chronic left lower quadrant pain and left adnexal mass on exam.
Follicular ovarian cyst. #1 cause of ovarian enlargement. Test = US to look for cyst. Rx: Follow-up ultrasound (many disappear spontaneously); laparoscopic removal if persistent.
52yo nulliparous F with painles lump in breast. PE reveals fixed, hard, nontender mass with retraction of overlying skin and palpable ispilateral nodes.
Infiltrating ductal CA = #1 breast cancer. Risk = family hx, estrogen “exposure”, atypical hyperplasia, previous breast cancer. Fibrosis with induration = desmoplastic reaction. Rx = surgery, tamoxifen if E receptor positive.
59yo F with pain and swelling in breast with erythematous overlying skin with peau d’orange appearance.
Inflammatory carcinoma of breast. Highly malignant with early and widespread metastases.
39yo F with heavy and frequent periods, occasionally painful.
Leiomyoma. #1 tumor of uterus, most common tumor in women. Estrogen-dependent. US reveals multiple heterogenous masses, 95% intramural myometrium location, round, firm, well circumscribed.
60yo F with foul-smelling, blood-tinged, purulent vaginal discharge. Tumor projecting from cervical os on speculum exam.
Leiomyosarcoma. CT = large complex mass in uterus. Biopsy = spindle-shaped cells with many mitotic cells. Rx: adriamycin, progestins, combination therapy. Aggressive malignant tumor of the myometrium, can arise from leiomyoma or de novo.
56yo F with history of breast CA with pelvic mass identified on routine physical exam.
Ovarian carcinoma. Serous type most common, often bilateral and advanced at diagnosis. Elevated CA-125, psammoma bodies.
68yo F with itchy, painless scaling and oozing of erythematous nipple.
Paget’s carcinoma. Characteristically a scally skin lesion of areola and nipple arising from ductal adenocarcinoma.
35yo F with bloody nipple discharge originating from one of the duct openings.
Papilloma of the breast. Benign proliferation of ductal epithelial tissue. #1 cause of serous / bloody nipple discharge.
88yo M with purpura over extensor aspect of both hands. CBC reveals not abnormality.
Senile purpura. Benign disease of elderly, characteristically extensor hand surfaces, forearms, and neck. Defect in collagen support of dermal cappillaries. No treatment available. Cosmetic consequence only.
18yo M with small purple skin lesions following URI two weeks ago.
ITP. Abrupt onset. Viral illnesses, drugs = thiazides, gold, carbamazepine, phenothiazines, quinine, rifampicin, valproate, sulphonamides, penicillins. Drug binds pltlt or drug binds plasma protein, forms immune complex, binds pltlt. Rx: steroids.
Causes of purpura.
Senile, Osler-Weber-Rendu (hereditary haemorrhagic telangiectasia), giant cavernous hemangioma (can cause DIC), Ehler’s-Danlos, Marfan’s, HSP, scurvy, Cushing’s, steroid use, uremia, liver dx.
64yo M with testicular swelling.
Lymphoma of testis. #1 testicular neoplasm in elderly.
29yo M with painless lymph node in the axilla, normochromic, normocytic anemia, and elevated ESR. Next test?
Node biopsy. Hodgkin’s –> Reed-Sternberg. Non-Hodgkins’ –> spectrum small lymphocytic (low-grade) to large cell centroblastic (high grade). A2 staging; I=nodes 1 region II=2 regions, same side III=nodes both sides hemidiaphragm, IV=diffuse.
45yo F with anemia, bone tenderness, and abdominal distension. Smear demonstrates blasts at all stages of maturation. Recent DVT.
CML. Philadelphia chromosome 22 bcr-abl translocation 9:22 (95% of cases). Complications = hyperviscosity (rx with leukophoresis).
60yo F with diffuse lymph node enlargement and smear with increased lymphocytes, smudge cells.
CLL. Most common leukemia in US and Europe. Monoclonal transformation of B cells. Diagnosis = persistent lymphocytosis with increased lymphs. Warm antibody hemolytic anemia may result. No rx if asymptomatic.
Causes of asplenia (anatomic or functional).
SLE, sickle cell, celiac, lymphoma, post-surgical. Risk of infection with S. pneumo, H. flu, N. meningitidis, malaria.
34yo M with facial plethora (redness), conjunctival suffusion, and splenomegaly.
Polycythemia. True or d/t excess EPO –> polycystic kidneys, renal CA / cysts, chronic glomerulonephritis, liver disease, hepatocellular CA, overian CA, bronchial CA. Hypoxia, lung disease, congenital heart disease, smoking. Enlarged retinal vessels.
P. vera
Hyperuricemia (rx with allopurinol), thrombotic events (less risk in secondary dx), 20% progress to myelofibrosis. Rx with phlebotomy. High incidence of HTN, itching, hepatomegaly, gout.
Causes of warm antibody autoimmune hemolytic anemia.
Lymphoma, leukemia (CLL), SLE, HIV. Causes spherocytes (also seen in congenital spherocytosis). Rx: prednisolone may induce remission; consider splenectomy.
Causes of cold antibody autoimmune hemolytic anemia.
Infectious mononucleosis, mycoplasma pneumonia, malaria, idiopathic (IgM paraprotein).
Cigar shaped erythrocytes.
Hereditary elliptocytosis. Usually asymptomatic.
Spherocytes on peripheral smear.
Perform osmotic fragility test. Spectrin defect = hereditary spherocytosis.
2yo with frontal bossing and “hair-on-end” appearance on skull x-ray. Has painful swelling of the fingers.
Sickle cell. Salmon-patch retinal hemmorhages. Homozygotes affected, heterozygotes asymptomatic until exposed to low O2 tension. Test with Hb electrophoresis and sickling test.
25yo black M develops painful joints and severe stomach pain one day into ski trip in the French Alps.
Sickle cell trait. Crisis at low O2 tensions.
Drug induced aplastic anemia.
Chloramphenicol, chlorpropamide, chlorpromazine, carbimazole, carbamazepine, gold salts, methotrexate, phenytoin.
Most common cause of iron deficiency anemia worldwide.
Hookworm.
58yo F with recurrent episodes of thrombophlebitis in the legs and arms.
Pancreatic CA. Thrombophlebitis may preceed diagnosis by many months.
64yo peanut farmer with jaundice, weight loss, and right upper quadrant pain.
Hepatocellular CA. Test for alpha-fetoprotein. Ultrasound / CT to evaluate.
Causes of cirrhosis.
Glycogen storage, Fanconi’s, alpha-1-antitrypsin (neonatal hepatitis with cirrhosis in childhood), cardiac cirrhosis (late complication of R heart failure), methotrexate, hereditary hemorrhagic telangiectasias, ulcerative colitis and Crohn’s.
17yo M with tremor, athetoid movements, and elevated LFTs.
Wilson’s disease. Low ceruloplasmin. Kayer-Fleischer ring in cornea. Rx: penicillammine chelation therapy.
55yo F with pruritus and jaundice that progressed over 3 years.
Primary biliary cirrhosis. Anti-mitochondrial Abs. Assoc. c Sjogren’s, Raynaud’s, thyroid dx, Addison’s, RA, fibrosing alveolitis, dermatomyositis, scleroderma. Women 9:1, age 40-60. ERCP reveals normal intra/extrahepatic bile ducts. Gallstones common.
31yo M with jaundice, pruritus, and RUQ pain. Markedly elevated AP with slight elevation in AST and ALT.
Primary sclerosing cholangitis. ERCP shows patchy dilatation and stricturing of biliary tree. High risk of ulcerative colitis. Progresses to hepatic cirrhosis. Risk = ascending cholangitis. HLA B8, DR2, DR3.
30yo F with hypothyroidism and rheumatoid arthritis develops jaundice.
Autoimmune hepatitis. Type I = history or family history of autoimmune disease. Type 2 = anti-liver and kidney microsomal autoantibodies, occurs in younger children. Type 3/4 = soluble liver antigen, type 4 ill-defined similar clinical as type 1.
31yo F with morbilliform rash and jaundice. Recently seen by a neurolgist for epilepsy.
Drug-induced hepatitis. Phenytoin (anti-epilepsy).
25yo with eosinophilia, chronic cough, and distal small bowel obstruction.
Ascaris lumbricoides. Larvae migrate to lung, small bowel obstruction are complications.
29yo HIV + F with eosinophilia, liver, heart, and renal failure.
Strongyloidiasis. Can result in systemic invasion in IC’d pts.
23yo M former aid worker in Guatemala has resolving bloody diarrhea nd develops stricturing and mucosal damage to colon.
Entamoeba histolytica. Don’t confuse with inflammatory bowel disease.
Diarrhea: viral
Rotavirus, Norwalk, Adenovirus.
Diarrhea: bacterial toxin
E. coli (enterotoxigenic), Vibrio cholerae, Staph aureus, Clostridium perfringens, Clostridium difficile, Clostridium botulinum, Bacillus cereus.
Diarrhea: bacterial invasive
E. coli (enteroinvasive), Shigella, Salmonella, Yersinia enterocolitica, Vibrio parahemolyticus, Campylobacter jejuni.
Diarrhea: parasites
Giardia lamblia, Cryptosporidium parvum, Entamoeba histolytica.
Diarrhea: drugs
laxatives, antacids with magnesium
Diarrhea: food toxins
puffer-fish, ciguatoxin, scombroid
Diarrhea: chronic GI disorders
Ischemic colitis, malabsorption, irritable bowel, inflammatory bowel disease
Diarrhea: secretory
Vibrio cholera, campylobacter, E. coli, Salmonella.
Diarrhea with systemic illness
Salmonella typi (enteric fever with diarrhea as late symptom)
64yo with CAD deficiency develops diarrhea, vomiting, and vague abdominal pain that rapidly progresses to hematochezia and severe abdominal pain.
Acute mesenteric ischemia.
48yo M with recurrent abdominal pain after eating. Also has hypercholesterolemia.
Chronic mesenteric ischemia (intestinal angina).
53yo M with abdominal pain and diarrhea with blood. Plain abdominal film reveals “thumbprinting” pattern in the descending colon and narrowing of the colonic lumen.
Colonic ischemia. More common than mesenteric ischemia, typically affects splenic flexure and other watershed areas.
55yo F previously treated for carcinoma of cervix, now with nausea, vomiting, and rectal bleeding.
Radiation colitis. Intestinal ischemia may develop due to endarteritis obliterans. Sometimes pseudo-obstruction. Barium study = thickening of mucosal folds, narrowing of lumen. Symptoms due to rapid transit time and malabsorption.
38yo F with celiac disease with chronic diarrhea and weight loss. Has been strictly adhering to gluten-free diet.
Intestinal lymphoma. Increased risk in celiac disease.
19yo F with diarrhea and bullous skin eruption.
Dermatitis herpetiformis. Gluten senstive enteropathy (celiac disease) + bullous skin eruption. Both may respond to gluten-free diet.
8yo M with chronic diarrhea, steatorrhea, abdominal distention, and failure to thrive.
Celiac disease (Gluten-sensitive enteropathy). Adult presentation more vague with megaloblastic anemia, diarrhea, vague abdominal symptoms. Abs include endomysial, gliadin, and reticulin. IgA endomysial Ab with high sensitivity and specificity.
Diagnosis of celiac disease?
Biopsy! Flattening of vili. Definative diagnosis requires trial of gluten-free diet.
Causes of malabsorption.
Stomach: post-gastrectomy dumping, ZE, pernicious anemia. Hepatic/biliary: bil. obstr. / cholestasis. Pancreas: CF, pancreatitis, CA. Sm. bowel: celiac, crohn’s, removal of sm. bowel, fistulae/blind loops, infection, radiation, lymphoma, drugs, whipple’s.
Approach to malabsorption?
- confirm impaired absorption (fecal fat, Schilling test) 2. Identify specific deficiencies (CBC, Fe, iron, folate, B12, PT/PTT, vit D 3. establish cause.
34yo M with severe recurrent peptic ulcer, diarrhea, and weight loss.
Zollinger-Ellison. Gastrin producing tumor associated with MENI (usually pancreatic). Diagnosis = high gastrin level and high basal secretion of acid.
Upper GI bleeding?
GUMBLEEDING = Gastritis, Ulcer, Mallory-Weiss, B, L, Esophagitis, Esophageal varices, angioDysplasia, Infection, N, GERD.
Common causes of lower GI bleeding?
hemorrhoids, anal fissure, inflammatory bowel, diverticulitis, carcinoma, intussusception.
Test for bacterial overgrowth?
glycochocolate breath test, based on deconjugation of radiolabeled bile acid and exhalation of labeled CO2.
GI utility of US and CT?
Liver, pancreas, and biliary tract.
GI utility of plain film?
Demonstrate dilatation (toxic megacolon), obstruction.
GI utility of angiography?
GI bleeding of obscure cause or suspected mesenteric ischemia.
Unusual causes of lower GI bleeding?
AV fistulae, hereditary-hemorrhagic-telangiectasias (Osler-Weber-Rendu), angiodysplasia, vasculitis, amyloidosis. Meckel’s, blood disorders (hemophilia, thrombocytopenia), rupture of AAA into bowel.
Common causes of upper GI bleeding?
Duodenal ulcer > stomach erosions / gastritis > GERD > gastric ulcer > Mallory-Weiss > duodenal erosions > esophageal/gastric varices > stomach CA
Causes of sore tongue?
Systemic: folate/B12/Fe deficiency, collagen-vascular dx, diabetes. Local: smoking, fractured tooth/dentures/crowns, candidiasis, dry mouth.
Teeth and gums
Blue line at tooth/gum margin = lead; gingivae swollen and purplish = scurvy; hyperplastic gingivitis = phenytoin, cyclosporin, and calcium antagonists; yellow staining = tetracycline.
Apthous ulcers?
poor dental hygeine, gluten enteropathy, inflammatory bowel dx, Behcet’s.
Enlarged tongue?
Acromegaly, myxoedema, amyloidosis, motor neuron disease.
71yo M smoker with progressive dysphagia.
Esophageal CA
25yo M with progressive dysphagia and no past medical history.
Esophageal ring. Occur at or near GE junction. Cause unknown.
31yo M with HIV and odynophagia.
Esophagitis due to candidia, herpes, or CMV.