Laboratory findings on a stained blood smear exhibit striking erythrocyte morphologic abnormalities. The MCV is decreased, osmotic fragility is abnormal, and the thermal sensitivity test demonstrates an increase in erythrocyte fragmentation
Autohemolysis in increased and is not corrected with glucose. What disorder is associated with these findings?
a. Hereditary pyropoikilocytosis
b. Hereditary stomatocytosis
c. PNH
d. Hereditary spherocytosis
Correct Answer: A
You might also like to view...
Which vasoconstrictor should be considered for a patient with diabetes and poorly-controlled blood sugar levels when hemostasis is not needed?
A) Epinephrine 1:50,000 B) Epinephrine 1:100,000 C) Levonordefrin 1:20,000 D) Felypressin
In which procedure are the esophagus, carotid artery, and trachea retracted medially for access to the area of pathology?
a. anterior cervical diskectomy and fusion b. fronto-temporal craniotomy for aneurysm c. placement of ventriculo-atrial shunt d. rhizotomy for intractable trigeminal neuralgia