2881 results
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
and Hyperpigmentation ... Acquired • Tinea versicolor ... HYPERPIGMENTATION ... Melasma • Tinea versicolor ... Diagnosis #Algorithm #causes
Skin Hypopigmentation - Differential Diagnosis Algorithm

Diffuse Congenital - Generalized hypopigmentation of hair, eyes, skin
 • Phenylketonuria
Skin Hypopigmentation ... - Generalized hypopigmentation ... Acquired • Tinea versicolor ... #Hypopigmentation ... Diagnosis #Algorithm #causes
Skin Hyperpigmentation - Differential Diagnosis Algorithm
Diffuse:
 • Tanning
 • Adverse cutaneous drug eruption
 • Addison's disease
Skin Hyperpigmentation ... Melasma • Tinea versicolor ... Post-Inflammatory hyperpigmentation ... #Hyperpigmentation ... Diagnosis #Algorithm #causes
Tinea Versicolor (Pityriasis versicolor) 
NOT a dermatophyte infection 
Caused by saprophytic, lipid-dependent yeasts 
Clinical 
 •
Tinea Versicolor ... (Pityriasis versicolor ... dermatophyte infection Caused ... recalcitrant) #Tinea #Versicolor
Tinea Versicolor: Scaly well demarcated patches caused by fungal skin infection.

Charlie Goldberg, M.D. - UCSD Catalog
Tinea Versicolor ... demarcated patches caused ... SkinRash #Tinea #Versicolor
Cutaneous signs of Addison's disease may be a useful clue. Hyperpigmentation especially involves sun-exposed areas and
Hyperpigmentation ... often have patchy hyperpigmentation ... flexural on oral hyperpigmentation
Adrenal Insufficiency - Diagnosis and Management Summary
Primary Adrenal Insufficiency:
Most Common Cause in the US: Autoimmune Adrenalitis
Other
: Most Common Cause ... Adrenalitis Other causes ... pain (10-40%), hyperpigmentation ... Hyperpigmentation ... Causes of Secondary
Drugs Causing Acute Pancreatitis

Class Ia: The medications in which there was a rechallenge and other causes
rechallenge and other causes ... out other common causes ... Class II: Cases ... and atleast4 case ... #Pancreatitis #Causes
Tinea Versicolor - Physical examination revealed large, coalescing, hypopigmented patches and macules on her torso and
Tinea Versicolor ... Pathology #Tinea #Versicolor
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
Generalized Hyperpigmentation