214 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... Sarcoidosis or Lofgren's syndrome ... Nodosum #Mnemonic #Causes ... Differential #Diagnosis #Dermatology
Tweetorial - Stevens Johnson Syndrome (SJS)

By Dr. Steven Chen @DrStevenTChen

#StevensJohnsonSyndrome #SJS #Dermatology #Diagnosis #Tweetorial #Pathphysiology
Stevens Johnson Syndrome ... StevensJohnsonSyndrome #SJS #Dermatology ... Diagnosis #Tweetorial #Pathphysiology
Hypereosinophilia and Hypereosinophilic Syndrome

 • Secondary Hypereosinophilic Syndrome
 • Clinically Relevant HES Variants
 • When to
Hypereosinophilic Syndrome ... Hypereosinophilic Syndrome ... • Clinically ... suspect underlying hematologic ... #HES #Hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... Differential #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
) Low MCV - <80fL ... anemia" High MCV ... Myelodysplastic syndrome ... differential #diagnosis #causes ... #hematology
Sebaceous hyperplasia 
 - Yellow papule 
 - Donut-shape 
 - Central umbilication 
 - Telangiectasia
Usually multiple - Causes ... #Hyperplasia #Dermatology ... Diagnosis #Benign #Clinical
Mucous Membrane Disorder - Differential Diagnosis Algorithm
Erosions/Ulcers/Blisters
 - Primary Dermatologic Diseases
     •
Blisters - Primary Dermatologic ... Stevens-Johnson Syndrome ... • Behcet's syndrome ... MucousMembranes #dermatology ... Diagnosis #Algorithm #causes
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
) • Behcet's syndrome ... ulcerative #skinrash #dermatology ... Diagnosis #Algorithm #causes
Sweet’s Syndrome - Acute febrile neutrophilic dermatosis 

The syndrome involves fever, painful rash, neutrophilic leukocytosis, and
Sweet’s Syndrome ... dermatosis The syndrome ... #Sweets #Syndrome ... neutrophilic #dermatosis #dermatology ... #Rash #Skin #Clinical
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
practices that could cause ... changes), high MCV ... patients if the cause ... or if a primary hematologic ... #Workup #hematology