1881 results
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

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

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

Charlie Goldberg, M.D. - UCSD Catalog
Tinea Versicolor ... 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
Tinea Versicolor - Physical examination revealed large, coalescing, hypopigmented patches and macules on her torso and
Tinea Versicolor ... Pathology #Tinea #Versicolor
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Differential Diagnosis Algorithm ... hyperkalemia, hyperpigmentation ... Differential #Diagnosis #Algorithm
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
Physiologic Skin Changes in Pregnancy - Differential Diagnosis Algorithm

Face
 • Melasma
Abdomen
 • Linea Nigra 
Hormone induced
Differential Diagnosis Algorithm ... Hormone induced • Hyperpigmentation ... Differential #Diagnosis #Algorithm