Labs/Findings Flashcards
Anti-centromere Ab
Scleroderma (CREST)
anti-desmoglein (epithelial) ab
pemphigus vulgaris (blistering)
anti-glomerular BM ab
goodpasture syndrome (glomerulonephritis and hemoptysis)
anti-histone ab
drug-induced SLE (hydralazine, INH, phenytoin, procainamide)
anti-IgG ab
rheumatoid arthritis (systemic inflammation, joint pannus, boutonniere deformity)
anti-mitochondrial ab (AMA)
primary biliary cirrhosis (female, cholestasis, portal HTN)
MPO-anca/p-anca
microscopic polyangiitis
churg-strauss
PR3-anca/c-anca
wegener granulomatosis with polyangiitis
anti-nuclear ab (ANA: smith, dsDNA)
SLE (type III hypersensitivity)
anti-platelet ab
ITP
anti-topoisomerase
diffuse systemic scleroderma
anti-transglutaminase/anti-gliadin/anti-endomysial ab
celiac disease (diarrhea, distention, weight loss)
“apple core” lesion on abdominal xray
left-sided colorectal cancer
azurophilic peroxidase + granular inclusions in granulocytes and myeloblasts
aeur rods (AML, especially promyelocytic M3 type)
Bacitracin response
Strep pyogenes (group A): bacitracin SENSITIVE
Strep agalactiae (group B): bacitracin RESISTANT
“bamboo spine” on xray
ankylosing spondylitis (chronic inflammatory arthritis HLA-B27)
Basophilic nuclear remnants in RBCs
Howell-Jolly bodies (due to splenectomy or nonfunctional spleen)
basophilic stippling of RBCs
lead poisoning/sideroblastic anemia
bloody tap on LP
subarachnoid hemorrhage
“boot shaped” heart on xray
Tetralogy of Fallot
RVH
Branching gram-positive rods with sulfur granules
actinomyces israelii
Bronchogenic apical lung tumor on imaging
pancoast tumor (sympathetic ganglion-horner)
“brown tumor” of bone
hyperparathyroidism or osteitis fibrosa cystica (deposited hemosiderin from hemorrhage gives brown color)
Cardiomegaly with apical atrophy
Chagas disease (T. Cruzi)
Cellular crescents in Bowman capsule
RPGN
“chocolate cyst” of ovary
endometriosis (bilateral usually)
circular grouping of dark tumor cells surrounding pale neutrophils
Homer-Wright rosettes (neuroblastoma, medulloblastoma, retinoblastoma)
Colonies of mucoid pseudomonas in lungs
cystic fibrosis (autosomal recessive mutation in CFTR gene: fat-sol vit. def. and mucous plugs)
decreased AFP in amniotic fluid/maternal serum
Down’s
Degeneration of dorsal column nerves
Tabes dorsalis (tertiary syphilis)
Subacute combined degeneration (dorsal columns and LCST)
Depigmentation of neurons in substantia nigra
Parkinson disease (basal ganglia disorder: rigidity, resting tremor, bradykinesia)
desquamated epithelium casts in sputum
curschmann spirals (bronchial asthma; can result in whorled mucous plugs)
disarrayed granulosa cells in eosinophilic fluid
call-exner bodies (granulosa-theca cell tumor of the ovary)
dysplastic squamous cervical cells with nuclear enlargement and hyperchromasia
Koilocytes (HPV: predisposes to cervical cancer)
enlarged cells with intranuclear inclusion bodies
“owl eye” appearance of CMV
englarged thyroid cells with ground-glass nuclei
“orphan annie” eyes nuclei (papillary carcinoma of the thyroid)
eosinophilic cytoplasmic inclusion in liver cell
mallory body (alcoholic liver disease)
eosinophilic cytoplasmic inclusion in nerve cell
Lewy body (parkinson disease)
eosinophilic globule in liver
councilman body (toxic or viral hepatitis, often yellow fever)
eosinophilic inclusion bodies in cytoplasm of hippocampal and cerebellar nerve cells
negri bodies of rabies
extracellular amyloid deposition in gray matter of brain
senile plaques (alzheimer)
giant B cells with bilobed nuclei with prominent inclusions (“owl’s eye”)
reed-sternberg cells (hodgkin lymphoma)