Hematopoietic system pathologies Flashcards
(45 cards)
Hodgkin’s or NHL: Which one has a 50% association with EBV?
HL
What is the presentation of a patient lacking all four alpha-globin genes?
hydrop fetalis and intrauterine fetal death
Hodgkin’s or NHL: Which one involves multiple, peripheral nodes with common extra-nodal involvement?
NHL
Hodgkin’s or NHL: Which one presents with constitutional signs/symptoms: low grade fever, night sweats, weight loss?
HL (NHL has few SSx
What causes DIC?
obstetric complications, gram- sepsis, transfusion, trauma, malignancy, acute pancreatitis, nephrotic syndrome
What is the etiology of alpha-thalassemia?
underproduction of alpha-globin chain with no compensatory increase of any other chains
Hodgkin’s or NHL: Which one is associated with HIV and immunosuppression?
NHL
What is the deficiency in hemophilia A?
factor VIII
List four clinical manifestations of multiple myeloma.
lytic bone lesions, hypercalcemia along w/ renal insufficiency, increased susceptibility to infection and anemia
What causes aplastic anemia?
radiation, benzene, chloramphenicol, alkylating agents, antimetabolites, viral agents, Fanconi’s anemia, idiopathic causes
Esophageal cancer: esophageal adenocarcinoma is found where?
lower 1/3
When would you see the hemolytic anemia associated with G6PD deficiency?
when the body is under oxidative stress (dt certain drugs, fava beans)
List three key diagnostic features of multiple myeloma.
lytic bone lesions on Xray, M-spike on serum protein electrophoresis, Bence-Jones proteins in urine
Which antigen is deficient in von Willebrand’s disease?
von Willebrands antigen
When are Heinz bodies seen in hemolytic anemia?
heinz bodies are observed in hemolytic anemia caused by G6PD deficiency
Barrett’s esophagus: the distal esophageal columnar epithelium is replaced with:
gastric columnar epithelium
Esophageal cancer: the MC esophageal cancer in the US is:
adenocarcinoma (decreased cigarette use)
How does a RBC smear appear in a patient with multiple myeloma?
rouleaux formation
Name two peripheral and bone marrow characteristics of leukemia.
increased circulating leukocytes and bone marrow infiltrates of leukemic cells
Which diseases present with increased PTT and normal PT, platelet count, and bleeding time?
hemophilia A and B
Which population has the highest prevalence of alpha-thalassemia?
mediterranean populations
Hodgkin’s or NHL: Which one has bimodal age distribution?
HL (NHL peaks at 20-40 years old)
Patient presents with normal TIBC, increased serum iron, and 100% iron saturation (normal is 20-50%). Your most likely diagnosis is:
iron overload (hemosiderosis)
What is the definition of DIC?
activation of coagulation cascade leading to microthrombi and global consumption of platelets, fibrin, and coagulation factors