251 results
Diffuse Melanosis Cutis - Several weeks earlier, a progressive gray–blue discoloration of the skin had developed.
#Clinical #Derm ... MelanosisCutis #Hyperpigmentation
Insulin-Mediated Lipohypertrophy - Two painless, rubbery, hyperpigmented masses were noted near the umbilical area. The patient
, although the hyperpigmentation ... #Clinical #Derm
Cutaneous Actinomycosis - the left knee was noted to have edema, erythema, hyperpigmentation, hyperkeratinization, and several
edema, erythema, hyperpigmentation ... C) #Clinical #Derm
Tinea Capitis in a Newborn- A 3-week-old male newborn was brought to the pediatrician with three
resolving, leaving hyperpigmentation ... capitis #ringworm #derm
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
Pigmentations - Hypopigmentation ... and Hyperpigmentation ... HYPERPIGMENTATION ... #Hypopigmentation ... #Hyperpigmentation
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
Skin Hypopigmentation - Differential Diagnosis Algorithm

Diffuse Congenital - Generalized hypopigmentation of hair, eyes, skin
 • Phenylketonuria
Skin Hypopigmentation ... - Generalized hypopigmentation ... Post-inflammatory hypopigmentation ... #Hypopigmentation
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
Adrenal Insufficiency - Diagnosis and Management Summary
Primary Adrenal Insufficiency:
Most Common Cause in the US: Autoimmune Adrenalitis
Other
pain (10-40%), hyperpigmentation ... Hyperpigmentation ... Insufficiency: Long-term
Nevus of Ota on Ocular Exam (Ocular Dermal Melanosis)

Benign melanosis in the distribution of the trigeminal
with associated hyperpigmentation