9 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
parallel to lines of skin ... palms/soles - Differential ... diagnosis: secondary syphilis ... nummular eczema, tinea ... #photo #PhysicalExam
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Skin Ulcers by Etiology ... • Factitious disorder ... Metabolic: • Pyoderma ... gangrenosum • ... ulcerative #skinrash #dermatology
Approach to the Rash in a an oncology patient - MINT-C Mnemonic
M - Malignancy: Leukemia cutis,
Dermatoses: Sweet Syndrome ... , Pyoderma Gangrenosum ... dermatoses #skin ... #differential # ... MINTC #Mnemonic #dermatology
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
Disorders of Pigmentations ... of hair, eyes, skin ... sclerosis (white "ash ... McCune Albright syndrome ... #skin #dermatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
purpura • PAN Pyoderma ... gangrenosum • ... Antiphospholipid-antibody syndrome ... Sarcoidosis #dermatology ... #rashes #differential
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Maculopapular rash ... which may resemble pyoderma ... gangrenosum) • ... reticularis Differential ... • Goodpasture syndrome
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
- Differential ... Generalized itchy rash ... Secondary syphilis ... Pyoderma gangrenosum ... #Diagnosis #Dermatology
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Rare Disorder: ... - Rash: multiple ... DDX: - Pyoderma ... gangrenosum - ... #diagnosis #dermatology
Pathergy Summary Overview

What is pathergy?
Pathergy is an exaggerated skin injury occurring after minor trauma such as
Behcet Disease • Pyoderma ... gangrenosum (PG ... Myeloproliferative disorders ... Pathergy #diagnosis #differential ... allergy #immunology #dermatology