23 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
- Differential ... sclerosis (white "ash ... Localized Acquired • Tinea ... Hypopigmentation #disorders ... #Differential #
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
Disorders of Pigmentations ... of hair, eyes, skin ... sclerosis (white "ash ... #skin #dermatology ... #Differential #
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders ... - Differential Diagnosis ... arthritis - with the skin ... like “butterfly rash ... #msk #Differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... Pinpoint areas (less ... Vasculitis - Collagen disorders ... cryoglobulins • Skin ... #Differential #
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
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
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... Folliculitis decalvans, Tinea ... Capitis - Skin ... Broken Hair Shafts: Tinea ... Examine the entire skin
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
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
Vibrio Vulnificus skin ... rapidly evolving rash ... Vibrio #Vulnificus #skin ... #dermatology #legs ... #clinical #photo