30 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
amoxicillin) Oral ... Sarcoidosis or Lofgren's syndrome ... #Differential #Diagnosis ... #Dermatology #SkinRash
Tinea Versicolor (Pityriasis versicolor) 
NOT a dermatophyte infection 
Caused by saprophytic, lipid-dependent yeasts 
Clinical 
 •
lipid-dependent yeasts Clinical ... erythematous Diagnosis ... antifungals • Oral ... Tinea #Versicolor #Dermatology ... #SkinRash #Diagnosis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential Diagnosis ... deficiency - Abnormal ... • Abdominal ultrasound ... #Differential #Diagnosis ... Algorithm #Causes #dermatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Rarely dominate the clinical ... Maculopapular rash ... • Goodpasture syndrome ... Polyangiitis #GPA #dermatology ... #rash #diagnosis
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Secondary Syphilis Rash ... Mucous patches on oral ... genital, anal or oral ... #Diagnosis #Clinical ... #Photo #Dermatology
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
(Os Trigonum) Syndrome ... - MSK Radiology ... #clinical #mri ... #clinical #Radiology ... #diagnosis #msk
Haglund Syndrome - MSK Radiology
Imaging Findings:
 • The Haglund Deformity (enlarged superior margin calcaneal posterior process)
- MSK Radiology ... #Heel #clinical ... #mri #clinical ... #Radiology #diagnosis ... #msk
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Clinical Presentation ... Fever is the main clinical ... Petechial or purpuric rash ... #Diagnosis #Management ... #Hematology #Rheumatology
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
Capnocytophaga canimorsus normal ... oral flora in dogs ... possible Patient's clinical ... the key to the diagnosis ... #dermatology #clinical
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
extensive skin rash ... Criteria for Diagnosis ... Oral/IV Glucocorticoids ... SinaiBmoreIMRes #DRESS #Syndrome ... #dermatology #diagnosis