50 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Sarcoidosis or Lofgren's syndrome ... Psittacosis, Bartonella, Syphilis ... #Differential # ... Diagnosis #Dermatology
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
palms/soles - Differential ... diagnosis: secondary ... syphilis (involve ... rosea #clinical #dermatology ... #photo #PhysicalExam
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Fever and Rash - ... Differential Diagnosis ... meningitis, Secondary syphilis ... #Differential # ... Diagnosis #dermatology
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Diagnosis Algorithm ... ) • Behcet's syndrome ... Painless: • Primary syphilis ... ulcerative #skinrash #dermatology ... #causes
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Rash Secondary ... resembling rashes caused ... #Rash #Diagnosis ... #Clinical #Photo ... #Dermatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
on erythematous base ... Antiphospholipid-antibody syndrome ... Sarcoidosis #dermatology ... #skin #rashes #differential ... #diagnosis #rheumatology
Genital Lesions - Differential Diagnosis Algorithm
Elevated - Vesicles:
 • Herpes simplex
Elevated - Papules / Plaques -
Genital Lesions - Differential ... Diagnosis Algorithm ... #skinlesions #dermatology ... #Differential # ... #causes
Algorithm for workup of thrombocytopenia based on observation of the peripheral blood film. 
TTP/HUS indicates thrombotic
thrombocytopenia based ... hemolytic uremic syndrome ... thrombocytopenia, Hematology ... 2012, p 193 #Diagnosis ... #Differential #
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin Rash ... silvery scale on elbows ... • Secondary Syphilis ... Papulosquamous #SkinRash #dermatology ... #causes
Causes of Localized Lymphadenopathy - Differential Diagnosis Algorithm
Cervical:
 - Anterior
     • Infection
Causes of Localized ... Lymphadenopathy - Differential ... Diagnosis Algorithm ... • Secondary Syphilis ... #Causes #Hematology