81 results
Generalized Hyperpigmentation Differentials
Use the Mnemonic "no skin SPARED"

Images from dermnet.nz and merckmanuals

Mnemonic from https://www.medscape.com/slideshow/dermatology-mnemonics-6011359#5 #diagnosis #differential
the Mnemonic "no skin ... dermatology-mnemonics-6011359#5 #diagnosis ... #differential # ... symptoms #signs ... #dermatology #skin
Combination of Skin Findings and Arthritis in Pediatrics Patient - Differential Diagnosis
Malar rash: 
 • A
Combination of Skin ... Diagnosis Malar ... on texture of skin ... migrans: • Target sign ... dermatology #arthritis #skin
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 • Disease fatal in 10% of
inflammatory cells) Clinical ... neuropathies • Skin ... dysrhythmias • Ophthalmologic ... #Sarcoidosis #Diagnosis ... #Symptoms #Signs
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
redness of the skin ... staphylococcal scalded skin ... , the differential ... erythematous rash ... #Erythematous #Rash
Stages of Syphilis
Early Primary:
 • Painless chancre
 • Regional lymphadenopathy
Early Secondary:
 • Fever, malaise
 • Rash
Fever, malaise • Rash ... testing • No symptoms ... lesions in bone, skin ... Syphilis #Stages #symptoms ... #signs #diagnosis
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
Christmas Tree Rash ... parallel to lines of skin ... palms/soles - Differential ... diagnosis: secondary ... Pityriasis #rosea #clinical
Clinical Features of Infective Endocarditis

General 
 - Malaise 
 - Clubbing 

Cardiac 
 - Murmurs
Clinical Features ... Pyrexia Skin ... #Endocarditis #Symptoms ... #Signs #Features ... #PhysicalExam #Diagnosis
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
characterized by extensive skin ... rash in association ... Symptoms: • The ... Skin involvement ... Resolution > 15 days Differentials
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
painless nodular rash ... wax and wane; diagnosis ... trauma leads to skin ... painless, no systemic signs ... biopsy preferred Differential
Kawasaki Disease: Clinical Findings
Diagnostic Criteria - Fever and 4/5 of the following:
 • Conjunctivitis
 • Polymorphous
Kawasaki Disease: Clinical ... Findings Diagnostic ... • Polymorphous rash ... hands & feet Signs ... - Generalized Skin