Hematology 2 Flashcards
Widespread microthrombi causing severe thrombocytopenia and diffuse bleeding.
exam shows bleeding from venipuncture sites, catheters, drains.
Extensive arterial and or venous gangrene
Labs show decreased fibrinogen, Increased PT, PTT, and INR
Increased D-dimer
DIC
Tx underlying cause (Gram neg sepsis mc cause)
Tx for and isolated thrombocytopenia in a patient with mucocutaneous bleeding.
Normal coagulation studies,
MC after a viral infection.
ITP
Glucocorticoids
IVIG
Patient with an autosomal dominant disorder associated with ineffective platelet adhesion.
mucocutaneous bleeding
Prolonged PTT
Tx is Desmopressin
Von willebrand
Tx for a patient with excess iron deposits in either the heart, liver, pancreas or endocrine
a decreased hepcidin leads to increased intestinal iron absorption.
Liver bx is most accurate test, shows increased hemosiderin.
Hemochromatosis
Tx is phlebotomy
This cancer presents as bone pain and vertebral involvement.
Elevated calcium
Serum protein electrophoresis shows monoclonal protein spikes IgG mos common
Bence-Jones proteins on urine electrophoresis
Rouleaux formation on CBC
Punched out lytic lesions on skull radiographs
Management is stem cell transplant
Multiple myeloma
Tx for ALL
Combo chemotherapy
Elderly patient with pancytopenia and fatigue.
Exam shows lymph adenopathy and splenomegaly
CBC shows absolute lymphocytosos with small well differentiated normal-appearing lymphocytes with scattered “smudge cells”
CLL
Auer rods
AML
Tx for CML
Tyrosine kinase inhibitors like Imatinib
Bimodal peaks at age 20 and then again > 50
Presents as painless lymphadenopathy
Systemic B symptoms such as fever, night sweats, wt. loss,
associated with EBV
Excisional lymph node biopsy shows Reed sternberg
Hodgkin lymphoma