58 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
procedures - Infection ... K), H. pylori test ... thyroid function test ... or if a primary hematologic ... #Workup #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
SLE) - Viral infections ... APLS • Acute Infectious ... • HCV, HBV Not ... Differential #Diagnosis #hematology ... #nonpalpable #dermatology
Non-HCV infectious mixed cryoglobulinemia vasculitis - Diagnosis, causes and management - French Vasculitis Study Group

< 5%
Non-HCV infectious ... vasculitis - Diagnosis, causes ... and management ... Cryoglobulinemia #Vasculitis #Rheumatology ... Cryoglobulinemic #Diagnosis #Management
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... Pseudotumor - Infectious ... • CMV • HIV ... History of Bleeding, Infection ... #Hematology #Oncology
Kaposis Sarcoma: Darkly pigmented macules caused by this malignancy. Seen most commonly in
patients with HIV infection.

Charlie
pigmented macules caused ... patients with HIV ... infection. ... Clinical #Photo #Dermatology
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Causes of Thrombocytopenia ... etc) - Viral: HIV ... , HCV, EBV, CMV ... infiltration: malignancy, infection ... Diagnosis #Framework #hematology
Tinea Versicolor (Pityriasis versicolor) 
NOT a dermatophyte infection 
Caused by saprophytic, lipid-dependent yeasts 
Clinical 
 •
a dermatophyte infection ... Caused by saprophytic ... meatballs appearance Management ... Tinea #Versicolor #Dermatology ... SkinRash #Diagnosis #Management
Kerion
Raised, boggy lesion with heaped up purulent nodules 
Caused by host's response to a fungal ringworm
purulent nodules Caused ... fungal ringworm infection ... Griseofulvin #Kerion #Dermatology ... #Diagnosis #Management
Global Alliance algorithm to improve outcomes in acne.
†With small nodules (>0.5–1 cm).
‡Consider physical removal of comedones.
§Second
Second course in case ... pregnancy, see text ... ††See text. alt. ... #Management #Dermatology
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... Effusions: - Hematologic ... Osteochondroma Hematologic ... Knee #Effusions #causes ... diagnosis #msk #physicalexam