15 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
- long axis of lesion ... parallel to lines of skin ... diagnosis: secondary ... syphilis (involve ... #photo #PhysicalExam
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Secondary Syphilis ... Rash Secondary ... Skin rash and malaise ... The signs and symptoms ... #Dermatology
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
or fluid-filled lesions ... Ill-appearing, vital sign ... sulfa-drug - Skin ... Targetoid #Algorithm #Differential ... #Ddxof
Stages of Syphilis
Early Primary:
 • Painless chancre
 • Regional lymphadenopathy
Early Secondary:
 • Fever, malaise
 • Rash
lymphadenopathy Early Secondary ... Fever, malaise • Rash ... Gummatous • Nodular lesions ... in bone, skin, ... Stages #symptoms #signs
Fluid-filled Rash - Diagnostic Algorithm.  Pustule: 1) Pustules more commonly suggest an infectious process (bacterial,
Vesiculobullous lesions ... proteins in the skin ... #Diagnosis #Dermatology ... Bullous #Algorithm #Differential ... #Ddxof
The Stages of Syphilis 

Primary Syphilis 
- The chancre lesion is the hallmark of primary syphilis.
Secondary Syphilis ... - Rash, pink ... neurosyphilis, cranial nerve ... columns and sensory nerve ... granuIomas on skin
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... Auspitz sign, Koebner's ... central clearing • Secondary ... Syphilis - Red
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... reddish-purple lesions ... in primary or secondary ... cryoglobulins • Skin ... Algorithm #Causes #dermatology
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... to inflammatory skin ... Secondary syphilis ... #Pustular #Skin ... #Lesions #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 ... painless, no systemic signs ... papulonodular lesions ... Infection #clinical #photo