Rapid Review Lab/Findings A -> H

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Author:
certainlygirl
ID:
227993
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Rapid Review Lab/Findings A -> H
Updated:
2013-08-06 00:14:49
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USMLE First Aid
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Rapid review
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  1. Adenosine deaminase (in pleural effusion)
    TB
  2. Aschoff Nodule
    Rheumatic fever (carditis)
  3. Austin flint murmur
    Aortic regurgitation
  4. Anticentromere antibodies
    Scleroderma (CREST)
  5. Antidesmoglein (epithelial) antibodies
    Pemphigus vulgaris (blistering)
  6. Anti-glomerular basement membrane antibodies
    Goodpasture's syndrome (glomerulonephritis and hemoptysis)
  7. Antihistone antibodies
    Drug-induced SLE (hydralazine, isoniazid, phenytoin, procainamide)
  8. Anti-IgG antibodies
    Rheumatoid arthritis (systemic inflammation, joint pannus, boutonnière deformity)
  9. Antimitochondrial antibodies (AMAs)
    1° biliary cirrhosis (female, cholestasis, portal hypertension)
  10. Antineutrophil cytoplasmic antibodies (ANCAs)
    Vasculitis (c-ANCA: Wegener's; p-ANCA: microscopic polyangiitis, Churg-Strauss syndrome)
  11. Antinuclear antibodies (ANAs: anti-Smith and anti-dsDNA)
    SLE (type III hypersensitivity)
  12. Antiplatelet antibodies
    Idiopathic thrombocytopenic purpura (ITP) (bleeding diathesis - tendency to bleed)
  13. Anti-topoisomerase antibodies
    Diffuse systemic scleroderma
  14. Anti-transglutaminase/antigliadin/anti-endomysial antibodies)
    Celiac disease (diarrhea, distention, weight loss)
  15. Azurophilic peroxidase-positive granular inclusions in granulocytes
    Auer rods (acute myelogenous leukemia: especially the promyelocytic [M3] type)

  16. "Apple core" lesion on abdominal x-ray
    Colorectal cancer (usually left-sided)
  17. Bacitracin response
    Sensitive: Streptococcus pyogenes (group A); resistant: Streptococcus agalactiae (group B)
  18. "Bamboo spine" on x-ray

    Ankylosing spondylitis (chronic inflammatory arthritis: HLA-B27)
  19. Basophilic nuclear remnants in RBCs

    Howell-Jolly bodies (due to splenectomy or nonfunctional spleen)
  20. Baspophilic stippling of RBCs

    Lead poisoning or sideroblastic anemia
  21. Bloody tap on LP
    Subarachnoid hemorrhage
  22. "Boot shaped" heart on x-ray

    Tetralogy of Fallot, RVH
  23. Branching gram-positive rods with sulfur granules

    Actinomyces israelii
  24. Bronchogenic apical lung tumor on imaging
    Pancoast tumor (can compress sympathetic ganglion and cause Horner's syndrome)
  25. "Brown" tumor of bone
    Hyperparathyroidism or osteitis fibrosa cystica (deposited hemosiderin from hemorrhage gives brown color)
  26. Cardiomegaly with apical atrophy
    Chagas' disease (Trypanosoma cruzi)
  27. Cellular crescents in Bowman's capsule
    Rapidly progressive crescentic glomerulonephritis
  28. "Chocolate cyst" of ovary
    Endometriosis (frequently involves both ovaries)
  29. Circular grouping of dark tumor cells surrounding pale neurofibrils
    Homer-Wright rosettes (neuroblastoma), medulloblastoma, retinoblastoma

    • (Homer-Wright rosettes)
  30. Colonies of mucoid Pseudomonas in lungs
    Cystic fibrosis (autosomal-recessive mutation in CFTR resulting in fat-soluble vitamin deficiency and mucous plugs)
  31. Decreased α-fetoprotein in amniotic fluid/maternal serum
    Down syndrome or other chromosomal abnormalities
  32. Degeneration of dorsal column nerves
    Tabes dorsalis (3° syphilis), subacute combined degeneration (dorsal columns and lateral corticospinal tracts affected)
  33. Depigmentation of neurons in substantia nigra
    Parkinson's disease (basal ganglia disorder: rigidity, resting tremor, bradykinesia)
  34. Desquamated epithelium casts in sputum
    Curschmann's spirals (bronchial asthma; can result in whorled mucous plugs)
  35. Disarrayed granulosa cells in eosinophilic fluid

    Call-Exner bodies (granulosa-theca cell tumor of ovary)
  36. Dysplastic squamous cervical cells with nuclear enlargements and hyperchromasia
    Koilocytes (HPV: predisposes to cervical cancer)

  37. Enlarged cells with intranuclear inclusion bodies
    "Owl's eye" appearance of CMV
  38. Enlarged thyroid cells with ground-glass nuclei
    "Orphan Annie's eyes" nuclei (papillary carcinoma of the thyroid)

  39. Eosinophilic cytoplasmic inclusion in liver cell
    Mallory bodies (alcoholic liver disease)

    • (notice "twisted rope" appearance)
  40. Eosinophilic cytoplasmic inclusion in nerve cell
    Lewy body (Parkinson's disease)

  41. Eosinophilic globule in liver
    Councilman body (toxic or viral hepatitis, often yellow fever)

  42. Eosinophilic inclusion bodies in cytoplasm of hippocampal nerve cells

    Negri bodies of rabies (Lyssavirus)
  43. Extracellular amyloid deposition in gray matter of brain

    Senile plaques (Alzheimer's disease)
  44. Giant B cells with bilobed nuclei with prominent inclusions ("owl's eye")
    Reed-Sternberg cells (Hodgkin's lymphoma)
  45. Glomerulus-like structure surrounding vessel in germ cells
    Schiller-Duval bodies (yolk sac tumor)

  46. "Hair on end" (crew-cut) appearance on x-ray

    β-thalassemia, sickle cell anemia (marrow expansion)
  47. hCG elevated
    Choriocarcinoma, hydatidiform mole (occurs with and without embryo)

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