9 results
Herpes Zoster: Herpes virus mediated infection that occurred in this patient receiving chemotherapy 
for an underlying
Zoster: Herpes virus ... mediated infection ... vessicles in this case ... Images #Clinical #Photo ... #Dermatology #SkinRash
Genital Lesions - Differential Diagnosis Algorithm
Elevated - Vesicles:
 • Herpes simplex
Elevated - Papules / Plaques -
Genital Lesions - Differential ... Human papilloma virus ... #skinlesions #dermatology ... #Differential # ... Diagnosis #Algorithm #causes
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... - APLS • Acute ... Infectious Purpura ... vasculitis - GPA ... #nonpalpable #dermatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... GPA causes disease ... • Goodpasture syndrome ... vasculitis #Dermatologic ... #dermatology #rash
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
- Differential ... Angioedema • Sweet syndrome ... • Gout • Acute ... • Compartment syndrome ... #dermatology #skin
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Differential ... - Acute rheumatic ... Knee #Effusions #causes ... #differential #
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Skin Lesions - Differential ... SAPHO syndrome ( ... Acute generalized ... Sweet syndrome ... #Diagnosis #Dermatology
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
changes (POEMS syndrome ... Include: • Viral infections ... (acute HIV, HBV ... inflammation (acute ... #ProteinGap #differential
Symmetrical Drug-Related Intertriginous and Flexural Exanthema (SDRIFE)

49M +burning rash groins/buttocks (pic in next thread) x 1d.
for a recent ear infection ... known as baboon syndrome ... Washington University ID ... rash #clinical #photo ... #dermatology