10 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Nodosum - Mnemonic ... Lofgren's syndrome Ulcerative ... #Diagnosis #Dermatology ... #SkinRash
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum ... Diagnosis Appearance ... thighs RARELY ulcerate ... #Nodosum #Causes ... #Dermatology #SkinRash
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
- Differential Diagnosis ... Nodosum - Tender ... #Reactive #SkinRash ... #dermatology #Differential ... #causes
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
Acute bursitis • Erythema ... nodosum • Pyoderma ... Polyarthritis nodosum ... • Erythema migrans ... #dermatology #skin
Oral Skin Ulcers - Differential Diagnosis Algorithm
Single Ulcer:
 • Traumatic ulcer
 • Angular ulcer
 • Aphthous
stomatitis • Erythema ... Acute necrotizing ulcerative ... #Oral #mouth #SkinRash ... #dermatology #Differential ... #causes
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Bullae/Blisters • Ulceration ... Polyarteritis nodosa ... vasculitis (inflamed blood ... #rash #diagnosis
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Causes: - Idiopathic ... nodosum - Acral ... neutrophils in the blood ... Sweet #Syndrome #diagnosis ... #dermatology #oncology
Erythema Nodosum Overview

Definition: 
 • EN is an inflammatory condition characterized by tender, red nodules, typically
Erythema Nodosum ... Crohn’s disease, ulcerative ... Diagnostic Approach ... : • Complete blood ... #Erythema #Nodosum
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
often showing ulceration ... honey-colored crusts ... - Trunk - Red, blood-filled ... ; pruritis #dermatology ... #differential #diagnosis
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
• Pruritis • Erythema ... nodosum • Immune ... Workup: • Full Blood ... lymph node biopsy (diagnostic ... marrow biopsy - if blood