37 results
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
rash of arm present ... systemic signs, labs normal ... biopsy preferred Differential ... Diseases Fellowship ... #clinical #photo
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Clinical triad ... arthritis, Skin rash ... fraction < 20% Differential ... Diaqnoses: • Infectious ... • Ocular: uveitis
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
vulnificus part of normal ... chronic liver disease ... Diseases Fellowship ... #dermatology #legs ... #clinical #photo
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Rarely dominate the clinical ... Maculopapular rash ... reticularis Differential ... • Fungal infections ... #rash #diagnosis
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
stages of this disease ... treatment, the infection ... late stages of disease ... #Diagnosis #Clinical ... #Photo #Dermatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... - Trauma - Infection ... blood test • Serology ... #Differential # ... Algorithm #Causes #dermatology
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
Capnocytophaga canimorsus normal ... possible Patient's clinical ... Diseases Fellowship ... #dermatology #clinical ... #photo
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
e.g., HIV), EBV infection ... • Clinical features ... Etiology: - Infections ... involvement Differential ... #hematology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
early localized disease ... form of acquired dermal ... macular hyperpigmentation ... comparison #table #differential ... #diagnosis #dermatology
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
: < 1% Clinically ... ) Differential ... • Autoimmune diseases ... likelihood of negative clinical ... #Bandemia #differential