12 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
parallel to lines of skin ... palms/soles - Differential ... diagnosis: secondary ... nummular eczema, tinea ... #dermatology #photo
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
45 years old, seen ... Tip: To differentiate ... later confirmed by skin ... #photo #dermatology ... #HSP
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Moccasin-variety Tinea ... Over the years: rash ... Diagnosis? ... skin of inflamed ... type #clinical #photo
Tinea Capitis in a Newborn- A 3-week-old male newborn was brought to the pediatrician with three
Newborn- A 3-week-old ... Somalia, had similar skin ... ringworm, was diagnosed ... #clinical #photo ... #NEJM #tinea #capitis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... Diagnosis Algorithm ... Pinpoint areas (less ... Sjogren's, GPA, EGPA, Microscopic ... cryoglobulins • Skin
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
painless nodular rash ... wax and wane; diagnosis ... trauma leads to skin ... biopsy preferred Differential ... Infection #clinical #photo
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
sudden onset of a rash ... - Rash: multiple ... Occurs on the arms, legs ... ) on the arms, legs ... : - Biopsy - Microscopic
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Heat Stroke - Differential ... Diagnosis Framework ... pain or spasm - legs ... fatigue Heat Rash ... blisters on the skin
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Ankles, lower legs ... with site, (e.g„ tinea ... #dermatology #rash ... #differential # ... diagnosis #skin
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
brown tint of the rash ... involvement is less ... eczematous features • Mild ... Dermatoses #Dermatosis #differential ... #diagnosis #dermatology