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Primary and Secondary Dermatology Skin Lesions

#Diagnosis #Dermatology #Primary #Secondary #Skin #Lesions #Atlas #Nomenclature #Terminology
Primary and Secondary ... Lesions #Diagnosis ... #Dermatology #Primary ... #Secondary #Skin ... #Lesions #Atlas
Morphology of Skin Lesions - Primary and Secondary - Description Algorithm
 • Primary Skin Lesion -
Morphology of Skin Lesions ... - Primary and Secondary ... - Description Algorithm ... • Primary Skin ... #Algorithm #dermatology
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Algorithm. ... or disorders of primary ... or secondary hemostasis ... Palpable: 1) If lesions ... #Dermatology #Rash
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
reddish-purple lesions ... Abnormalities in primary ... or secondary hemostasis ... Hypotension • Mucosal lesions ... #dermatology #physicalexam
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Generalized Differential Diagnosis ... Algorithm - Systemic ... Lesions == Macules ... #secondary #systemic ... #Algorithm #causes
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
- Differential Diagnosis ... Algorithm Polyarticular ... Tenosynovitis) • Secondary ... Papules & Mucosal Lesions ... ) • Primary HIV
Stages of Syphilis
Early Primary:
 • Painless chancre
 • Regional lymphadenopathy
Early Secondary:
 • Fever, malaise
 • Rash
Syphilis Early Primary ... lymphadenopathy Early Secondary ... Fever, malaise • Rash ... Gummatous • Nodular lesions ... #signs #diagnosis
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
versus nonpalpable lesions ... If the lesions are ... with nonpalpable lesions ... with palpable lesions ... #Diagnosis #Dermatology
Maculopapular Rashes - THE ALGORITHMIC APPROACH 

The term maculopapule is a portmanteau, a combination
of macule and
Target lesions are ... with peripheral lesions ... without target lesions ... without target lesions ... #Diagnosis #Dermatology
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
Christmas Tree Rash ... - long axis of lesion ... - Differential diagnosis ... : secondary syphilis ... #photo #PhysicalExam