17 results
Janeway Lesion: Flat, painless, erythematous lesions seen on the palm of this patient's hand. While
frequently associated
with bacterial endocarditis ... , in this case, ... Photo credit, Josh ... #Dermatology #SkinRash ... #Endocarditis #
Secondary Syphilis - Rash on Palms and Soles 
41ys, seen in our ED b/c of 20
- Rash on Palms ... Typical lesions ... present in 80% of cases ... #photo #dermatology ... #Palms #Soles #dermatology
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
Christmas Tree Rash ... - long axis of lesion ... 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
Rash Secondary ... heaped, wart-like lesions—Condyloma ... resembling rashes caused ... #Clinical #Photo ... #Dermatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... reddish-purple lesions ... Hypotension • Mucosal lesions ... Schonlein Purpura - Endocarditis ... #dermatology #physicalexam
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
hemorrhagic skin lesions ... deficiencies - PNH ... • Bacterial endocarditis ... Differential #Diagnosis #hematology ... #nonpalpable #dermatology
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin Rash ... (Ring- shaped) lesion ... • Secondary Syphilis ... Papulosquamous #SkinRash #dermatology ... Diagnosis #Algorithm #causes
MR SMITH Mnemonic for Causes of Rashes on Palms and Soles

M - Meningococcemia
R - Rickettsia, Rat
SMITH Mnemonic for Causes ... bite fever S - Syphilis ... I - Infective Endocarditis ... MRSMITH #Mnemonic #Rash ... Differential #Diagnosis #Dermatology
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... Generalized itchy rash ... Secondary syphilis ... Pustular #Skin #Lesions ... Differential #Diagnosis #Dermatology
Embolic Phenomena: Purplish discoloration of skin resulting from embolus to small toe. In this case, the
In this case, the ... Images #Clinical #Dermatology ... Embolic #Vegetation #Endocarditis ... #Janeway #Lesions ... #Photo #UCSDH