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

Diffuse Congenital - Generalized hypopigmentation of hair, eyes, skin
 • Phenylketonuria
- Differential ... sclerosis (white "ash ... Localized Acquired • Tinea ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... infection Malar rash ... gangrenosum • IBD ... Sarcoidosis #dermatology ... #rashes #differential
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
(blue-purple) rash ... • Erythematous rash ... chest (in a V-sign ... ulcerations • Skin ... #rheumatology #dermatology
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
of hair, eyes, skin ... sclerosis (white "ash ... • Melasma • Tinea ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... dermatophytes cause ... skin of inflamed ... type #clinical #photo ... #foot #dermatology
Physiologic Skin Changes in Pregnancy - Differential Diagnosis Algorithm

Face
 • Melasma
Abdomen
 • Linea Nigra 
Hormone induced
in Pregnancy - Differential ... Melasma Abdomen • Linea ... • Chadwick's sign ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
, vital sign instability ... New-onset fever with rash ... sulfa-drug - Skin ... #Rash #Maculopapular ... Targetoid #Algorithm #Differential
Shawl sign poikiloderma in Dermatomyositis

Poikiloderma in general is a common finding in older individuals with chronic
Shawl sign poikiloderma ... symptoms helps differentiate ... #Rash #Dermatomyositis ... #Dermatology #Clinical ... #Photo #Neck
Palpable Purpura seen in Henoch Schonlein Purpura (HSP, IgA Vasculitis)

55 year old male on tuberculosis treatment
Schonlein Purpura (HSP ... Vasculitis) 55 year old ... Vasculitis #clinical #photo ... #dermatology #skin ... #rash #physicalexam