9 results
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
mechanisms and ... red-flags to exclude dermatologic ... Ill-appearing, vital sign ... #Diagnosis #Dermatology ... Targetoid #Algorithm #Differential
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Identification of causes ... Vasculitis #dermpath #dermatology ... #semiology #signs ... diagnosis #clinical #manifestations ... pathology #lesions #differential
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
Mucocutaneous Manifestations ... hair follicles -> causes ... inflammation (complex mechanism ... #pathophysiology ... #diagnosis #signs
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Auspitz sign, Koebner's ... phenomenon • Lichen Planus ... Papulosquamous #SkinRash #dermatology ... #Differential # ... Diagnosis #Algorithm #causes
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
Extra-articular manifestations ... inflammation tends to cause ... pulmonary fibrosis (mechanism ... RheumatoidArthritis #RA #pathophysiology ... #signs #symptoms
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Heat Stroke - Differential ... without neuro manifestations ... Collapse: • Pathophysiology ... → Syncope • Signs ... #diagnosis #causes
Primary Biliary Cirrhosis (PBC) - Summary

PBC Epidemiology:
 • Female:Male 9:1
 • Common European descent
 • Age:
65 years PBC Pathophysiology ... intralobular bile ducts causes ... failure PBC Signs ... Jaundice (later manifestation ... bile ducts Differential
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
monophasic Pathophysiology ... tissue damage Mechanisms ... • Bilateral signs ... • Infectious causes ... management #neurology #differential
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
associated with signs ... pits • Lichen planus ... honey-colored crusts ... ; pruritis #dermatology ... #rash #differential