Pathology 3 Flashcards
Progressive symmetrical proximal muscle weakness, endomysial inflammation with CD8+ cells
Polymyositis
Gottron Papules
Dermatomyositis, in elbows, knuckles and knees
Heliotrope (erythematous periorbital) rash
Dermatomyositis
Shawl and Face rash
Dermatomyositis
Anti-Jo-1, anti-SRP, anti-Mi-2 antibodies
Dermatomyositis
Treatment of Dermatomyositis
Steroids
Autoantibodies to post-synaptic ACh-R
Myasthenia Gravis
Worsens with muscle use
Myasthenia Gravis
Improves with muscle use
Lambert-Eaton Myasthenic Syndrome
NMJ disease associated with Thymoma and thymic hyperplasia
Myasthenia Gravis
NMJ disease associated with Small Cell Lung Cancer
Lambert-Eaton Myasthenic Syndrome
Autoantibodies to presynaptic Calcium channel
Lambert-Eaton Myasthenic Syndrome
Bone in muscle, at site of known trauma or incidental finding
Myositis ossificans
Excessive fibrosis and collagen deposition throughout body. Widespread skin involvement, rapid progressoin, early visceral involvement.
Diffuse scleroderma
Limited skin involvement confined to fingers and face.
Limited Scleroderma
CREST syndrome
Calcinosis, Raynaud, Esophageal dysmotility, Sclerodactyly, Telangiectasia
Anticentromere antibody
CREST syndrome
Sclerosis of skin, puffy taut skin with absence of wrinkles. Sclerosis of renal, pulmonary, cardiovascular, and GI systems
Scleroderma
Flat lesion with well-circumscribed change in skin color <1cm
Macule
Macule >1cm
Patch
Elevated Solid lesion <1cm
Papule
Papule >1cm
Plaque
Small fluid-containing blister <1cm
Vesicle
Large fluid-containing blister >1cm
Bulla
Vesicle containing pus
Pustule
Wheal
Hives (uritcaria)
Flaking off of stratum corneum
Scale
dry exudate
crust