Classic Lab/Findings Flashcards
Anti-centromere bodies
Scleroderma (CREST)
Anti-desmoglein (epithelial) Abs
Pemphigus vulgaris (blistering)
Anti-glomerular basement membrane Abs
Goodpasture’s syndrome (glomerulonephritis and hemoptysis)
Anti-histone Abs
Drug-induced SLE (hydralazine, isoniazid, phenytoin, procainamide)
Anti-IgG Abs
Rheumatoid arthritis (systemic inflammation, joint pannus, boutonniere derformity)
Anti-mitochondrial Abs (AMAs)
Primary biliary cirrhosis (female, cholestasis, portal HTN)
Anti-neutrophil cytoplasmic Abs (ANCAs)
Vasculitis (c-ANCA: granulomatosis w/ polyangitis [Wegener’s]; p-ANCA: microscopic polyangiitis, Churg-Strauss syndrome)
Anti-nuclear Abs (ANAs: anti-Smith and anti-dsDNA)
SLE (type III hypersensitivity)
Anti-platelet Abs
Idiopathic thrombocytopenic purpura
Anti-topoisomerase Abs
Diffuse systemic scleroderma
Anti-transglutaminase/anti-gliadin/anti-endomysial Abs
Celiac disease (diarrhea, distension, weight loss)
“Apple core” lesion on abdominal x-ray
Colorectal cancer (usually L.-sided)
Azurophilic peroxidase (+) granular inclusions in granulocytes and myeloblasts
Auer rods (acute myelogenous leukemia, especially the promyelocytic [M3] type)
Bacitracin response
Sensitive: Streptococcus pyogenes (group A);
resistant: Streptococcus 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 (+) rods w/ sulfur granules
Actinomyces israelii
Bronchogenic apical lung tumor on imaging
Pancoast tumor (can compress sympathetic ganglion and cause Horner’s syndrome)
“Brown” tumor of bone
Hyperparathyroidism or osteitis fibrosa cystica (deposited hemosiderin from hemorrhage gives brown color)
Cardiomegaly w/ apical atrophy
Chagas’ disease (Trypanosoma cruzi)
Cellular crescents in Bowman’s capsule
Rapidly progressive crescenteric 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 (AR mutation in CFTR resulting in fat-soluble vitamin deficiency and mucous plugs)
Decreased alpha-fetoprotein in amniotic fluid/maternal serum
Down syndrome or other chromosomal abnormality
Degeneration of dorsal column nerves
Tabes dorsalis (tertiary syphilis), aubacute combined degeneration (dorsal columns and lateral corticospinal tracts [LCST] affected)
Depigmentation of neurons in substantia nigra
Parkinson’s disease (basal ganglia disorder: rigidity, resting tremor, bradykinesia)
Desquamated epithelium casts in sputum
Curshman’s 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 w/ nuclear enlargement and hyperchromasia
Koilocytes (HPV: predisposes to cervical cancer)
Enlarged cells w/ intranuclear inclusion bodies
“Owl’s eye” appearance of CMV
Enlarged thyroid cells w/ ground-glass nuclei
“Orphan Annie’s eyes” nuclei (papillary carcinoma of the thyroid)
Eosinophilic cytoplasmic inclusion in liver cell
Mallory bodies (alcoholic liver disease)
Eosinophilic cytoplasmic inclusion in nerve cell
Lewy body (Parkinson’s disease)
Eosinophilic globule in liver
Councilman body (toxic or viral hepatitis, often yellow fever)
Eosinophilic inclusion bodies in cytoplasm of hippocampal nerve cells
Negri bodies of rabies (Lyssavirus)
Extracellular amyloid deposition in gray matter of brain
Senile plaques (Alzheimer’s disease)
Giant B cells w/ bilobed nuclei w/ prominent inclusions (“owl’s eye”)
Reed-Sternberg cell (Hodgkin’s lymphoma)
Glomerulus-like structure surrounding vessels in germ cells
Schiller-Duval bodies (yolk sac tumor)