14 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
parallel to lines of skin ... palms/soles - Differential ... diagnosis: secondary syphilis ... rosea #clinical #dermatology ... #photo #PhysicalExam
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
stages of this disease ... Skin rash and malaise ... late stages of disease ... #Clinical #Photo ... #Dermatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Skin Conditions ... Scleroderma Thickened skin ... arthritis Discoid skin ... #joint #pain #skin ... #rashes #differential
Central Distribution, Febrile / Ill:
 - Viral Exanthem 
 - Lyme Disease (erythema migrans) 
Central Distribution,
Stevens-Johnson Syndrome ... meningococcaemia - Syphilis ... Macules #Papules #Rash ... Algorithm #Diagnosis #Dermatology ... #Skin
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Polyangiitis (GPA) Skin ... vasculitis Skin ... also occur Skin ... 16%) • Painful skin ... Skin Biopsy
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
redness of the skin ... staphylococcal scalded skin ... syndrome (SSS) ... includes Kawasaki disease ... #Diagnosis #Dermatology
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... to inflammatory skin ... osteitis) - Pustular skin ... Secondary syphilis ... #Pustular #Skin
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
of hair, eyes, skin ... • Addison's disease ... McCune Albright syndrome ... Hyperpigmentation #disorders #skin ... #dermatology #Differential
The Stages of Syphilis 

Primary Syphilis 
- The chancre lesion is the hallmark of primary syphilis.
- Rash, pink ... neurosyphilis, cranial nerve ... and nephrotic syndrome ... granuIomas on skin ... of Infectious Diseases
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
characterized by extensive skin ... rash in association ... Skin involvement ... Resolution > 15 days Differentials ... #dermatology #diagnosis