35 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... leakage of RBC's secondary ... Associated - SLE ... Differential #Diagnosis #hematology ... #nonpalpable #dermatology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
function test, ANA (e.g ... ., SLE), anti-phospholipid ... (CVID, WAS), (neurologic ... or if a primary hematologic ... #Workup #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... Differential Diagnosis Secondary ... Chronic inflammatory disorders ... (e.g. autoimmune ... #hematology #secondary
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
) Clinical Manifestations ... autoantibodies that will cause ... Lumbar Puncture, EEG ... #CNS #neurology ... #rheumatology #
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... • Screen for secondary ... signs or symptoms (eg ... , skin or esophageal ... Differential #diagnosis #hematology
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Nail Disorders secondary ... Abnormality • SLE ... halt nail growth (e.g ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Syndrome: • Clinical ... Type III Often Secondary ... Henoch-Schönlein purpura) • Cutaneous ... (e.g. systemic
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Hypersplenism • Secondary ... (e.g. ... RA, SLE, PRV, Chronic ... #Hematology
Causes of Anemia with Low Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased Heme Synthesis or
Iron Deficiency (Eg ... 18% • Anemia Secondary ... Other • e.g ... HgbE, HgbC, etc. ... #Hematology
Primary Dermatological Lesions
Primary lesions are physical changes in the skin considered to be caused directly by
altered colour e.g ... associated with secondary ... . e.g. psoriasis ... a generalized disorder ... #Diagnosis #Dermatology