11 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
parallel to lines of skin ... diagnosis: secondary syphilis ... nummular eczema, tinea ... rosea #clinical #dermatology ... #photo #PhysicalExam
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... Herald's atch • Tinea ... • Secondary Syphilis ... plaques on palms and soles
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... rubrum is most commonly ... skin of inflamed ... erythema around soles ... #foot #dermatology
The Stages of Syphilis 

Primary Syphilis 
- The chancre lesion is the hallmark of primary syphilis.
- Rash, pink ... Involves palms/soles ... rashes, including tinea-mimicker ... granuIomas on skin ... Tertiary #Diagnosis #Staging
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Rash Secondary ... Skin rash and malaise ... commonly characterize ... #Clinical #Photo ... #Dermatology
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Common Dermatological ... eczema - Palms, soles ... with site, (e.g„ tinea ... ; pruritis #dermatology ... #rash #differential
Symmetrical Drug-Related Intertriginous and Flexural Exanthema (SDRIFE)

49M +burning rash groins/buttocks (pic in next thread) x 1d.
PMH: DM (A1c 6.5% ... (amlodipine), taking ... involve the palms/soles ... #clinical #photo ... #dermatology
Majocchi’s Granuloma due to Trichophyton rubrum 
This is GMS stain and culture of a skin biopsy
rubrum This is GMS stain ... and culture of a skin ... left leg / foot + tinea ... recommended as sole ... rubrum #clinical #photo
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
(FNHTR): Most common ... maculopapular rash ... Hypotension: People taking ... infections with skin ... RBCs (stored at 4C
PALM RASHES 
Common features and patterns:
1.	Color:
o	Red or erythematous: Common in inflammatory or allergic reactions.
o	Purple or purpuric:
occur in chronic skin ... disease, or bullous skin ... blisters on palms, soles ... Fungal Infections (Tinea ... Manuum): Asymmetric scaling