Classic Labs/Findings Flashcards
Anticentromere antibodies
Scleroderma (CREST)
Antidemoglein (epithelial) antibodies
Pemphigus vulgaris (blistering)
Anti-glomerular basement membrane antibodies
Goodpasture syndrome (glomerulonephritis and hemoptysis)
Antihistone antibodies
Drug-induced SLE (hydralazine, INH, phenytoin, procainamide)
Anti-IgG antibodies
Rheumatoid arthritis (systemic inflammation, jointpannus, boutonniere deformity)
Antimitochondrial antibodies (AMAs)
Primary biliary cirrhosis (female, cholestasis, portal hypertension)
Antineutrophil cytoplasmic antibodies (ANCAs)
Microscopic polyangiitis and Churge-Strauss syndrome (MPO-ANCA/p-ANCA); granulomatosis with polyangiitis (Wegener; PR3-ANCA/cANCA)
Antinuclear antibodies (ANAs: anti-Smith and anti-dsDNA)
SLE (type III hypersensitivity)
Antiplatelet antibodies
Idiopathic thrombocytopenic purpura
Anti-topoisomerase antibodies
Diffuse systemic scleroderma
Anti-transglutaminase/anti-gliadin/anti-endomysial antibodies
Celiac Disease
“Apple Core” lesion on abdominal x-ray
Colorectal cancer (usually left-sided)
Azurophilic peroxidase positive granular inclusions in granulocytes and myeloblasts
Auer Rods (AML, especially the promyelocytic [M3] type)
Bacitracin sensitive
Strep. Pyrogenes (Group A)
Bacitracin resistant
Strep. Agalactiae (Group B)
“Bamboo spine” on x-ray
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 or sideroblastic anemia
Bloody tap on LP
Subarachnoid hemorrhage
“Boot-shaped” heart on x-ray
Tetralogy of Fallot, RVH
Branching gram-positive rods with sulfur granules
Actinomyces Israelii
Bronchogenic apical lung tumor on imaging
Pancoast tumor (can compress sympathetic ganglion and cause Horner syndrome)
“Brown” tumor of bone
Hyperparathyroidism or osteo fibrosa cystica (deposited hemosiderin from hemorrhage gives brown color)
Cardiomegaly with apical atrophy
Chagas disease (Trypanosoma cruzi)
Cellular crescents in Bowman capsule
Rapidly progressive crescentic glomerulonephritis
“Chocolate cyst” of ovary
Endometriosis (frequently involves both ovaries)
Circular grouping of dark tumor cells surrounding pale neurofibrils
Homer-Wright rosettes (neuroblastoma, medulloblastoma, retinoblastoma)
Colonies of mucoid Pseudomonas in lungs
Cystic Fibrosis (Austosomal recessive mutation in CFTR gene -> fat soluble vitamin deficiency and mucous plugs)
Decrease alpha-fetoprotein in amniotic fluid/maternal serum
Down syndrome or other chromosomal abnormality
Degeneration of dorsal column nerves
Tabes dorsalis (Tertiary Syphillis), subacute combined degeneration (dorsal columns and lateral corticosinal tracts affected)
Depigmentation of neurons in substantia nigra
Parkinson disease (basal ganglia disorder: rigidity, resting tremor, bradykinesia)
Desquimated qpithelium cast 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 cerival cells with nuclear enlargement and hyperchromasia
Koilocytes (HPV: predisposes to cerival cancer)
Enlarged cells with intranuclear inclusion bodies
“Owl eyes” appearance of CMV
Enlarged thyroid cells with ground-glass nuclei
“Orphan Annie” eyes nuclei (papillary carcinoma of the thyroid)
Eosinophilic cytoplasmic includion in liver cell
Mallory body (alcohol liver disease)
Eosinophilic cytoplasmic inclusion in nerve cell
Lewy body (Parkinson disease)
Eosinophilic globule in liver
Councilman body (toxic or viral hepatitis, often tellow 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 disease)
Giant B cells with bilobed nuclei with prominent inclusions. “Owl’s Eye”
Reed-Sternberg cells (Hodgkin lymphoma)
Glomerulus-like structure surrounding vessel in germ cells
Schiller-Duval bodies (yolk sac tumor)