35 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... TB Viral: HSV ... , EBV, HIV, HepB ... #Differential #Diagnosis ... #Dermatology #SkinRash
Contact Dermatitis: Inflammatory response to topical irritant. Note the linear distribution 
across the knuckles, caused by
Contact Dermatitis ... the knuckles, caused ... Images #Clinical ... #Dermatology #SkinRash ... #Contact #Dermatitis
Tinea Pedis: Scaly red erruption of the feet caused by fungal dermatitis.

Charlie Goldberg, M.D. - UCSD
erruption of the feet caused ... by fungal dermatitis ... Images #Clinical ... #Photo #Dermatology ... #SkinRash #Tinea
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
- Differential Diagnosis ... • Contact dermatitis ... Vesiculobullous #SkinRash ... #dermatology #Differential ... #causes
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
- Differential Diagnosis ... #Eczematous #SkinRash ... #dermatology #Differential ... #Diagnosis #Algorithm ... #causes
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... - History of bleeding ... epistaxis, gingival bleeding ... #Differential #Diagnosis ... #hematology
Kaposis Sarcoma: Darkly pigmented macules caused by this malignancy. Seen most commonly in
patients with HIV infection.

Charlie
pigmented macules caused ... patients with HIV ... Images #Clinical ... #Photo #Dermatology ... #SkinRash #Kaposis
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
- Differential Diagnosis ... drinks • Perioral Dermatitis ... #Pustular #SkinRash ... #dermatology #Differential ... #causes
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum - Causes ... and Differential Diagnosis ... #Differential Diagnosis ... #Dermatology #SkinRash ... #Clinical
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... Pigmented Purpuric Dermatosis ... • HCV, HBV Not ... #hematology #rheumatology ... #nonpalpable #dermatology