70 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 ... -6011359#5 #diagnosis ... #differential # ... symptoms #signs ... #dermatology #skin
Dermatofibroma 
 - Skin-colored to brown papule or nodule 
 - Firm, indurated texture 
 -
Dermatofibroma - Skin-colored ... Male - Dimple sign ... Dermatofibroma #Dermatology ... #Diagnosis #Benign ... #Clinical #Photo
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 ... #Diagnosis #Dermatology ... #Differential
Scarlet fever
• Delayed-type skin reactivity to pyrogenic exotoxin Requires prior exposure
• Diffuse erythematous eruption that generally
Scarlet fever • ... Delayed-type skin ... #diagnosis #clinical ... #photo #signs # ... symptoms
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
thrombophlebitis Skin ... band syndrome • Shin ... Brittle nails - Skin ... skin • Inflammation ... pain/swelling - Fever
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 • Disease fatal in 10% of
Constitutional: Fever ... exertion • Neurologic ... neuropathies • Skin ... #Sarcoidosis #Diagnosis ... #Symptoms #Signs
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Diagnoses Medical ... History: • Skin ... localizing signs ... leptospirosis • Skin ... Rickettsioses, bacterial skin
Janeway Lesions in Endocarditis seen on Physical Exam 

Dr Supradip Ghosh
@dr_supradip

36 year old male with history
left hemiplegia, fevers ... could have been diagnosed ... with persistent fever ... #dermatology #soles ... #skin
Physiologic Skin Changes in Pregnancy - Differential Diagnosis Algorithm

Face
 • Melasma
Abdomen
 • Linea Nigra 
Hormone induced
Physiologic Skin ... number (probable) Skin ... • Chadwick's sign ... normal #Pregnancy #skin ... #dermatology #Differential
Giant Cell (Temporal) Arteritis: Pathogenesis and investigations
Risk Factors:
 - Unclear environmental triggers (may be viral, not
yrs old; F>M Signs ... /Symptoms: - Fever ... - Vasculitic skin ... Pathophysiology #Diagnosis ... #Signs #Symptoms