gold usmle: Diseases Flashcards
Addisons Disease
Primary adrenocortical deficiency
Addisonian Anemia
Pernicious anemia (antibodies to intrinsic factor or parietal cells → ↓IF → ↓Vit B12 → megaloblastic anemia)
Albrights Syndrome
Polyostotic fibrous dysplasia, precocious puberty, café au lait spots, short stature, young girls
Alports Syndrome
Hereditary nephritis with nerve deafness
Alzheimers
Progressive dementia
Argyll-Robertson Pupil
Loss of light reflex constriction (contralateral or bilateral)
- Prostitutes Eye accommodates but does not react
- Pathognomonic for 3°Syphilis
- Lesion pretectal region of superior colliculus
Arnold-Chiari Malformation
Cerebellar tonsil herniation through foramen magnum = see thoracolumbar meningomyelocele
Barretts
Columnar metaplasia of lower esophagus (↑ risk of adenocarcinoma)- constant gastroesophageal reflux
Bartters Syndrome
Bartters Syndrome
Beckers Muscular Dystrophy
Similar to Duchenne, but less severe (mutation, not a deficiency, in dystrophin protein)
Bells Palsy
CNVII palsy (entire face; recall that UMN lesion only affects lower face)
Bergers Disease
IgA nephropathy causing hematuria in kids, usually following infection
Bernard-Soulier Disease
Defect in platelet adhesion (abnormally large platelets & lack of platelet-surface glycoprotein)
Berry Aneurysm
Circle of Willis (subarachnoid bleed) Anterior Communicating artery
18. Often associated with ADPKD
Bowens Disease
Carcinoma in situ on shaft of penis (↑ risk of visceral ca) [compare w/ Queyrat]
Brill-Zinsser Disease
Recurrences of rickettsia prowazaki up to 50 yrs later
Briquets Syndrome
Somatization disorder
22. Psychological: multiple physical complaints without physical pathology
Brocas Aphasia
Motor Aphasia (area 44 & 45) intact comprehension
Inferior Posterior Frontal Lobe
Brown-Sequard
Hemisection of cord (contralateral loss of pain & temp / ipsilateral loss of fine touch, UMN / ipsi loss of consc. Proprio)
Brutons Disease
X-linked agammaglobinemia (↓ B cells)
Budd-Chiari
Post-hepatic venous thrombosis = ab pain; hepatomegaly; ascites; portal HTN; liver failure
Buergers Disease
Acute inflammation of medium and small arteries of extremities → painful ischemia → gangrene
28. Seen almost exclusively in young and middle-aged men who smoke.
Burkitts Lymphoma
Small noncleaved cell lymphoma EBV
- 8:14 translocation
- Seen commonly in jaws, abdomen, retroperitoneal soft tissues
- Starry sky appearance
Caisson Disease
Nitric gas emboli
Chagas Disease
Trypansoma infection - cardiomegaly with apical atrophy, achlasia
Chediak-Higashi Disease
(AR) Phagocyte Deficiency = defect in microtubule polymerization
36. Neutropenia, albinism, cranial & peripheral neuropathy & repeated infections w/ strep & staph
Conns Syndrome
Primary Aldosteronism: HTN; retain Na+ & H2O; hypokalemia (causing alkalosis); ↓ renin
Coris Disease
Type III Glycogenosis Glycogen storage disease (debranching enz: amylo 1,6 glucosidase def. ↑ Glycogen)
Creutzfeldt-Jakob
Prion infection → cerebellar & cerebral degeneration
Crigler-Najjar Syndrome
Congenital hyperbilirubinemia (unconjugated)
- Glucuronyl transferase deficiency. Can progress to Kernicterus
- Less severe form will respond to Phenobarbital therapy
Crohns
IBD; ileocecum, transmural, skip lesions, cobblestones, lymphocytic infiltrate, granulomas
- (contrast to UC: limited to colon, mucosa & submucosa, crypt abscesses, pseudopolyps, ↑ colon cancer risk)
- Clinically: ab pain & diarrhea; fever; malabsorption; fistulae b/t intestinal loops & abd structures
Curlings Ulcer
Acute gastric ulcer associated with severe burns
Cushings
Disease: Hypercorticism 2° to ↑ ACTH from pituitary (basophilic adenoma)
- Syndrome: hypercorticism of all other causes (1° adrenal or ectopic)
- moon face; buffalo hump; purple striae; hirsutism; HTN; hyperglycemia
Cushings Ulcer
Acute gastric ulcer associated with CNS trauma
de Quervains Thyroiditis
Self-limiting focal destruction (subacute thyroiditis)
DiGeorges Syndrome
Failure of 3rd & 4th pharyngeal pouches formation: Thymus & Parathyroid
- Thymic hypoplasia → T-cell deficiency
- Hypoparathyroidism ! Tetany
Downs Syndrome
Trisomy 21 or translocation Simian Crease
Dresslers Syndrome
Post-MI Fibrinous Pericarditis autoimmune
Dubin-Johnson Syndrome
Congenital hyperbilirubinemia (conjugated) = bilirubin transposrt is defective not conjugation 58. Striking brown-to-black discoloration of the liver
Duchenne Muscular Dystrophy
Deficiency of dystrophin protein → MD X-linked recessive
Edwards Syndrome
- Trisomy 18
61. Rocker-bottom feet, low ears, small lower jaw, heart disease
Ehlers-Danlos
Defective collagen
Eisenmengers Complex
Late cyanotic shunt (R→L) pulmonary HTN & RVH 2° to long-standing VSD, ASD, or PDA
Erb-Duchenne Palsy
Trauma to superior trunk of brachial plexus Waiters Tip
C5-C6
Ewing Sarcoma
Malignant undifferentiated round cell tumor of bone in boys
Eyrthroplasia of Queyrat
Carcinoma in situ on glans penis
Fanconis Syndrome
Impaired proximal tubular reabsorption 2° to lead poisoning or Tetracycline (glycosuria,
hyperphosphaturia, aminoaciduria, systemic acidosis)
Feltys Syndrome
Rheumatoid arthritis, neutropenia, splenomegaly
Gardners Syndrome
AD = adenomatous polyps of colon, osteomas & soft tissue tumors
Gauchers Disease
Lysosomal Storage Disease glucocerebrosidase deficiency glucocerebroside accumulation
71. Hepatosplenomegaly, femoral head & long bone erosion, anemia
Gilberts Syndrome
Benign congenital hyperbilirubinemia (unconjugated) = ↓d glucuronyl transferase activity
Glanzmanns Thrombasthenia
Defective glycoproteins on platelets = deficient platelet aggregation
Goodpastures
Autoimmune: abs to glomerular & alveolar basement membranes. Seen in men in their 20s
Graves Disease
Autoimmune hyperthyroidism (TSI): IgG Ab reactive w/ TSH receptors. Low TSH & TRH High T3 / T4
Guillain-Barre
Polyneuritis following viral infection/ autoimmune (ascending muscle weakness & paralysis; usually self-limiting)
Hamman-Rich Syndrome
Idiopathic pulmonary fibrosis. Can see honey comb lung.
Hand-Schuller-Christian
Chronic progressive histiocytosis
Hashimotos Thyroiditis
Autoimmune hypothyroidism. May have transient hyperthyroidism. Low T3 /T4 & High TSH