22 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
Christmas Tree Rash ... parallel to lines of skin ... palms/soles - Differential ... nummular eczema, tinea ... #dermatology #photo
Skin Hypopigmentation - Differential Diagnosis Algorithm

Diffuse Congenital - Generalized hypopigmentation of hair, eyes, skin
 • Phenylketonuria
Skin Hypopigmentation ... - Differential ... sclerosis (white "ash ... Localized Acquired • Tinea ... #dermatology #Differential
Excoriated papules with honey-colored crusting were present on the abdomen, back (Panel A), arms, and legs.
A), arms, and legs ... Finally, skin scrapings ... Scabies #Microscopy #Rash ... #NEJM
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
Hyperpigmentation - Differential ... of hair, eyes, skin ... sclerosis (white "ash ... Localized Acquired • Tinea ... • Melasma • Tinea
Tinea Imbricata - An 18-year-old Fijian woman presented with a 3-year history of a concentric, scaly
Tinea Imbricata ... shoulders; the rash ... trunk, arms, and legs ... Clinical #Derm #Tinea ... #Concentricum #NEJM
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Moccasin-variety Tinea ... Over the years: rash ... Moccasin type tinea ... skin of inflamed ... type #clinical #photo
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
painless nodular rash ... trauma leads to skin ... biopsy preferred Differential ... leishmania, Tb, NTM; less ... Infection #clinical #photo
Tinea Capitis in a Newborn- A 3-week-old male newborn was brought to the pediatrician with three
Tinea Capitis in ... Somalia, had similar skin ... Tinea capitis, a ... #clinical #photo ... #NEJM #tinea #capitis
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Rash - Palpable ... Tip: To differentiate ... later confirmed by skin ... #Rash #clinical ... #photo #dermatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial Rash ... - Differential ... Pinpoint areas (less ... cryoglobulins • Skin ... #Differential #