A 40 year old patient is presented with unilateral palpebral edema and ipsilateral lymphadenopathy. He later develops megaesophagus and megacolon as complications. Which of the following vector is responsible for this parasitic infection?

A 40 year old patient is presented with unilateral palpebral edema and ipsilateral lymphadenopathy. He later develops megaesophagus and megacolon as complications. Which of the following vector is responsible for this parasitic infection?

The typical Reed-Sternberg cells are either infrequent or absent. Instead, lymphocytic and histiocytic cells or “popcorn cells” are seen within a background of inflammatory cells, which are predominantly benign lymphocytes. Which type of Hodgkin's lymphoma best suit the description?

A patient is presented with pallor, fatigue and dyspnea. Physical examination shows koilonychias and angular cheilosis. Which of the following is not expected in the laboratory finding of this patient?

Mr XY was found to be anaemic. During history taking, he informed his doctor that he was a strict vegetarian who did not consume any meat, fish or milk products.

Spherocytosis is a common cause of inherited haemolytic anaemia. The most likely cause for spherocytosis is