101 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
• Secondary Causes ... deficiency • Liver ... Hypercoagulable States: - Livedo ... Differential #Diagnosis #hematology ... #nonpalpable #dermatology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... : INR/PT, aPTT(liver ... bypass), LFT (liver ... patients if the cause ... #Workup #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... effect following treatment ... Diagnosis #Algorithm #Causes ... #Hematology
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Systemic and Primary Causes ... Diabetes Mellitus Liver ... • Cholestatic liver ... #generalized #dermatology ... Diagnosis #Algorithm #causes
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Renal Disease, Liver ... Reticulocytosis • Liver ... Diagnosis #Algorithm #Causes ... #Hematology
Kerion
Raised, boggy lesion with heaped up purulent nodules 
Caused by host's response to a fungal ringworm
purulent nodules Caused ... Lymphadenopathy Treatment ... Griseofulvin #Kerion #Dermatology
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
vessels • Nodules, livedo ... Identification of causes ... Vasculitis #dermpath #dermatology
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Anemia Intrinsic Causes ... elliptocytosis Extrinsic Causes ... : • Liver disease ... Intravascular Causes ... classification #hematology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... GPA causes disease ... subcutaneous nodules • Livedo ... erythematous nodules • Livedo ... vasculitis #Dermatologic
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Iatrogenic) • Liver ... Diagnosis #Algorithm #Causes ... #Hematology