84 results
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
While it can be ... number of systemic diseases ... inflammatory bowel disease ... Clinical #Photo #Dermatology ... #SkinRash #Pyoderma
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
and Differential Diagnosis ... anterior shins but can ... within 2-8 weeks (can ... #Differential Diagnosis ... #Dermatology #SkinRash
Tinea Versicolor (Pityriasis versicolor) 
NOT a dermatophyte infection 
Caused by saprophytic, lipid-dependent yeasts 
Clinical 
 •
hypopigmented • Can ... erythematous Diagnosis ... Tinea #Versicolor #Dermatology ... #SkinRash #Diagnosis
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
- Differential Diagnosis ... Thalassemia • ACD ... Non-megaloblastic: Liver disease ... #Differential #Diagnosis ... #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... Splenomegaly - CTD ... EGPA - MPA • CTD ... #Differential #Diagnosis ... #hematology #rheumatology
Expected DAT Results in Autoimmune Hemolysis
DAT Negative Hemolysis
 • DAT Poly ( - ), IgG (
), IgG ( - ), C3d ... ), IgG ( + ), C3d ... Cold agglutinin disease ... Autoimmune #Hemolysis #hematology ... #diagnosis
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
(CAD): - Idiopathic ... Diagnosis: • hemolytic ... agglutination After CAD ... hemolytic #anemia #hematology ... #diagnosis
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
the body, but can ... Differential Diagnosis ... Lymphomas • Other hematologic ... comparison #oncology #diagnosis ... #differential #hematology
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
Diagnosis? ... squamous cell ca ... University Infectious Diseases ... Blastomycosis #SkinRash ... #dermatology #clinical
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
is common and can ... Differential Diagnosis ... Polyangiitis #GPA #dermatology ... #rash #diagnosis ... #rheumatology