11 results
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Pruritus - Generalized ... Systemic and Primary Causes ... Lesions == Macules ... #dermatology #Differential ... #causes
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
, may also see skin ... Neuro Behcets Vascular ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Vascular Skin Lesions ... Differential Diagnosis Algorithm ... discolorations of skin ... Vasculitis #SkinRash #dermatology ... #causes
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... lesions that result ... deficiencies - PNH ... Differential #Diagnosis #hematology ... #nonpalpable #dermatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... reddish-purple lesions ... Disruptions in vascular ... cryoglobulins • Skin ... #Causes #dermatology
Primary Dermatological Lesions
Primary lesions are physical changes in the skin considered to be caused directly by
considered to be caused ... features such as crusts ... that contain pus ... or part of a generalized ... #Diagnosis #Dermatology
Pruritus - No Primary Skin Lesion - Differential Diagnosis Algorithm

Blood Glucose:
 • Diabetes Mellitus
Liver Function Tests/Enzymes:
Pruritus - No Primary Skin ... Lesion - Differential ... secondary #systemic #generalized ... #dermatology #Differential ... #causes
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Testosterone - Coumadin skin ... atherosclerotic lesions ... coagulation and other causes ... pathophysiology #hematology ... differential #diagnosis #vascular
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... acquired dermal macular ... to have a "wood-grain ... classic targetoid lesions ... differential #diagnosis #dermatology
Anti-NXP-2 Dermatomyositis

What?
DM with generalized subcutaneous edema
Pts have more myalgias, more severe weakness, and an increased prevalence
DM with generalized ... subcutaneous edema Pts ... lesions: antihelix ... Muscle atrophy may cause ... #dermatology