Labs/Findings Flashcards
high AFP in amniotic fluid/maternal serum
Dating error, anencephaly, spina bifida (open neural tube defects)
anticentromere abs
Scleroderma (CREST)
anti-desmoglein/desmosome abs
Pemphigus vulgaris
Anti-glomerular basement memb
Goodpasture
Antihistone
Drug-induced SLE (hydralazine, isoniazid, phenytoin, procainamide)
anti-IgG
Rheumatoid arthritis
antimitochondrial
primary biliary cirrhosis (female, cholestasis, portal hypertension)
Antineutrophil cytoplasmic abs
Microscopic polyangiitis and eosinophilic granulomatosis (Churg-Strauss); primary sclerosing cholangitis; granulomatosis with polyangiitis (Wegeners)
Antinuclear abs: anti-Smith and anti-dsDNA
SLE
Antiplatelet
ITP
Anti-topoisomerase
Diffuse systemic scleroderma
Anti-transglutaminase/gliadin/endomysial
Celiac
Apple core lesion on barium enema x-ray
Colorectal cancer (left-sided)
Atypical lymphocytes
EBV
Azurophilic peroxidase granular inclusions in granulocytes and myeloblasts
Auer rods (AML esp APL)
Bacitracin response
Sensitive: S pyogenes
Resistant: S agalactiae
Bamboo spine on X-ray
Ankylosing spondylitis
Basophilic nuclear remnants in RBCs
Howell-Jolly bodies (from splenectomy or nonfunctional spleen)
Basophilic stippling of RBCs
Lead poisoning or sideroblastic anemia
Bloody or yellow tap on lumbar puncture
Subarachnoid hemorrhage
Boot-shaped heart on X-ray
Tetrology of Fallot
Branching gram + rods with sulfur granules
Actinomyces
Bronchogenic apical lung tumor on imaging
Pancoast tumor (can compress cervical sympathetic chain and cause Horners)
Brown tumor of bone
Hyperparathyroidism or osteitis fibrosa cystica (deposited hemosiderin from hemorrhage)
Cardiomegaly with apical atrophy
Chagas disease (trypanosoma cruzi)
Cellular crescents in Bowman capsule
RPGN Major causes: Goodpasture, pauci-immune (ANCA) vasculitidies
Minor: Lupus nephritis, IgA nephropathy, PSGN
Chocolate cyst of ovary
Endometriosis
Circular group of dark tumor cells around pale neurofibrils
Homer-Wright rosettes (medullobastoma, neuroblastoma)
Colonies of mucoid Pseudomonas in lungs
Cystic fibrosis
Low AFP in amniotic fluid/maternal serum
Down syndrome and other chromosomal abnormalities
Degeneration of dorsal column
Tabes dorsalis (tert syphilis) and subacute combined degeneration
Delta wave on EKG, short PR interval, supraventric tachycardia
Wolff-Parkinson-White
Desquamated epithelium casts in sputum
Curschmann spirals from chronic bronchitis
Disarrayed granulosa cells around eosinophilic fluid
Call-Exner bodies of gran cell tumor of ovary
Dysplastic squamous cervical cells with raisinoid nuclei and hyperchromasia
Koilocytes (HPV)
Electric alternans (alternating amplitude on EKG)
Pericardial tamponade
Enlarged cells with intranuclear inclusion bodies
Owl eye cell of CMV
Enlarged thyroid cells with ground glass nuclei with central clearing
Orphan annie eyes of papillary thyroid cancer
Eosinophilic cytoplasmic inclusion in liver cell
Mallory body (alcoholic liver dz)
Eosinophilic cytoplasmic inclusion in neuron
Lewy body (Parkinson and Lewy dementia)
Eosinophilic globule in liver
Councilman body (viral hepatitis, yellow fever) is hepatocyte undergoing necrosis
Eosinophilic inclusion body in cytoplasm of hippocampal and cerebellar lesions
Negri body of rabies
Extracellular amyloid deposits in gray matter of brain
Amyloid plaque of alzheimers
Giant B cells with bilobed nuclei and inclusions
Reed-Sternberg cells of Hodgkin
glomerulus-like structure around vessel in germ cells
Schiller-Duval body (yolk sac)
Hair on end (crew cut) x-ray appearance
beta-thalassemia, sickle cell (marrow expansion)