34 results
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Maculopapular rash ... arteritis Infections ... (inflamed blood ... #rash #diagnosis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... - Vasculitis ... : • Complete blood ... • Fecal occult blood ... cryoglobulins • Skin
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
Malaise, bleeding, infections ... -> AML: Blast crises ... pain, bleeding, infections ... -> Invade Skin: ... #Leukemia #Hematology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
weeks without infection ... Hepatomegaly • Skin ... Lymphocytosis: Absolute blood ... lymphocyte > 5000/microL ... workup #oncology #hematology
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Skin Ulcers by Etiology ... insufficiency • Vasculitis ... • Bleomycin Hematologic ... Cryoglobulinemia Infectious ... Diagnosis #Algorithm #causes
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
Vibrio Vulnificus skin ... All oysters at Chesapeake ... Vibrio #Vulnificus #skin ... #infection #rash ... #cellulitis #dermatology
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
Purpura Fulminans Skin ... rigors, diarrhea, nausea ... Your blood cxs identify ... - BIDMC Infectious ... Purpura #Fulminans #Skin
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
- Rash: multiple ... Causes: - Idiopathic ... , breast CA - Hematologic ... Leukocytoclastic vasculitis ... neutrophils in the blood
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... of necrotizing vasculitis ... gyratum repens • A skin ... induratum • A chronic skin ... differential #diagnosis #dermatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... mucositis - Rash ... to exclude are infections ... pulses, bruis, or blood ... Large Vessel: Blood