9 results
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Petechial/Purpuric ... occurs in vasculitic ... Nonpalpable purpura ... #Petechiae #Purpural ... #Differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Rash - Differential ... Infection - Vasculitis ... Henoch Schonlein Purpura ... cryoglobulins • Skin ... #Differential #
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Vascular Skin Lesions ... - Differential ... Algorithm - Petechiae ... cm diameter - Purpura ... discolorations of skin
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
the Skin - Differential ... Skin Findings: ... Small Vessel: Petechiae ... , Palpable purpura ... #rheumatology #differential
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... purple, hemorrhagic skin ... : Vasculitis: ... #Differential # ... rheumatology #palpable #nonpalpable
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Findings: • Petechiae ... , Palpable purpura ... sensation or pain: • Petechiae ... • Palpable purpura ... reticularis Differential
Bleeding manifestations 
Petechiae are small, flat, red, discrete areas of skin bleeding that are typically <2
discrete areas of skin ... non-blanching, nonpalpable ... Purpura due to vasculitis ... The skin is flat ... VWF:RCo/VWF:Ag (differentiate
Approach to the Rash in a an oncology patient - MINT-C Mnemonic
M - Malignancy: Leukemia cutis,
Coagulopathy: Purpura ... Thrombocytopenia (ie petechiae ... dermatoses #skin ... Rash #oncology #differential ... #diagnosis #cancer
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
fires, heating pads ... centrifugum • A chronic skin ... of necrotizing vasculitis ... associated with cancers ... comparison #table #differential