Classic labs and findings Flashcards
Increased AFP in amniotic fluid/maternal serum
Dating error, anencephaly, spina bifida
Anticentromere Abs
Scleroderma (CREST)
Anti-desmoglein (ant-desmosome) Abs
Pemphigus vulgaris
Anti-glomerular BM Abs
Goodpasture syndrome (glomerulonephritis with hemoptysis)
Antihistone Abs
Drug induced SLE (hydralazine, isoniazid, phenytoin, procainamide)
Anti-IgG Abs
RA
Anti-mitochondrial antibodies
1˚ biliar cirrhosis (female, cholestasis, PHTN)
Antineutrophil cytoplasmic Abs (ANCAs)
Microscopic polyangiitis and eosinophilic granulomatosis with polyangiitis (MPO-ANCA/p-ANCA)
Granulomatosis with polyangiitis (PR3-ANCA/c-ANCA)
1˚ sclerosing cholangitis (MPO-ANCA/p-ANCA)
Antinuclear Abs (ANAs) (anti-Smith (anti-Sm) and anti-dsDNA)
SLE (Type III hypersensitivity)
Antiplatelet antibodies
Idiopathic thrombocytopenic purpura
Anti-topoisomerase Abs
Diffuse systemic scleroderma
Anti-transglutaminase/anti-gliadin/anti-endomysial Abs
Celiac disease
Apple core lesion on Ba enema X-ray
L-sided CRC
Atypical lymphocytes
EBV
Azurophilic peroxidase positive granular inclusions in granulocytes and myeloblasts
Auer rods (AML, especially promyelocytic M3 type)
Bacitracin resononse
Sensitive: S. pyogenes, resistant: S. agalactiae
Bamboo spine on x-ray
Ankylosing spondylits (chronic inflammatory arthritis; HLA-B27)
Basophilic nuclear remnant in RBCs
Howell-Jolly bodies (splenectomy or non-functioning spleen)
Basophilic stippling of RBCs
Pb poisoning or sideroblastic anemia
Bloody or yellow tap on LP
Subarachnoid hemorrhage
Boot-shaped heart on xray
Tetralogy of Fallot (RVH)
Branching Gm+ rods with sulfur granules
Actinomyces israelii
Bronchogenic apical lung tumor on imaging
Pancoast tumor (can cause Horner syndrome)
Brown tumor of bone
Hyperparathyroidism or osteitis fibrosa cystica (deposited hemosiderin)
Cardimegaly with apical atrophy
Chagas dz
Cellular crescents in Bowman capsule
Rapidly progressive crescentic GN
Chocolate cyst of ovary
Endometriosis
Circular grouping of dark tumor cells surrounding pale neurofibrils
Homer-Wright rosettes (neuroblastoma, medulloblastoma)
Colonies of mucoid Pseudomonas in the lung
CF leading to ADEK deficiency and mucus plugging
decreased AFP in amniotic fluid/maternal serum
Down syndrome or other aneuploidies
Degeneration of dorsal column fibers
Tabes dorsalis (3˚ syphilis), Subacute combined degeneration (dorsal columns, lateral corticospinal and spinocerebellar tracts)
Delta wave on EKG, short PR, SV tachycardia
Wolff-Parkinson-White sy. (Bundle of Kent bypasses AV node)
Depigmentation of neurons in substatia nigra
Parkinson disease (basal ganglia d/o: rigidity, resting tremor, bradykinesia)
Desquamated epithelium casts in sputum
Curschmann spirals (bronchial asthma, can result in whorled mucus plug)
Disarrayed granulosa cells around eosinophilic fluid
Call-Exner bodies (Granulosa cell tumor)
Dysplastic squamous cervical cells arranged around raisinoid nuclei and hyperchromasia
Koilocytes (HPV predisposing to cervical ca.)
Electrical alternans
Pericardial tamponade
Enlarged cells with intranuclear inclusion bodies
Owl eye appearance of CMV
Enlarged thyroid cells with ground-glass nuclei and central clearing
“Orphan Annie” eyes
Papillary carcinoma of thyroid
Eosinophilic cytoplasmic inclusions in liver
Mallory bodies (EtOHism)
Eosinophilic cytoplasmic inclusions in neuron
Lewy body (PD and LBD)
Eosinophilic globule in liver
Councilman body (viral hepatitis, yellow fever), apoptotic hepatocytes
Eosinophilic inclusion bodies in cytoplasm of hippocampal and cerebellar neurons
Negri bodies of rabies
Extracellular amyloid deposition in gray matter of brain
AD