Body fluids

Question 1

TRUE OR FALSE. Cytological investigation of body fluids such as urine samples, cerebrospinal fluid, pleural or peritoneal effusions, obtained by aspiration, can cast light on the origin and type of primary tumors as opposed to reactive processes.

Answer 1

True

Question 2

refers to the fluid accumulated in the three serous cavities namely pleural, pericardial and peritoneal, which are important sources of diagnostic material.

Answer 2

Serous effusion

Question 3

TRUE OR FALSE.The presence of malignant cells in serous effusions usually indicate metastatic involvement and, therefore, a higher stage of cancer.

Answer 3

True

Question 4

Jelly-like clots forming alter removal may be prevented by adding _______ for every 100 ml. of aspirate.

Answer 4

300 units of Heparin

Question 5

TRUE OR FALSE.Freshly tapped specimens are preferred for cytology.

Answer 5

True

Question 6

______ is by far the best method to collect cells from body fluid (e.g., urine, pleural or peritoneal fluid).

Answer 6

Cytospin preparation

Question 7

TRUE OR FALSE.For those that have no access to a cytospin, centrifugation of the preparation and sampling of the centrifuged sediment is the usual method of cell concentration.

Answer 7

True

Question 8

TRUE OR FALSE. Major objection to the use of cytocentrifuge is the distortion of cellular morphology due to air drying artifacts, which can be avoided by immediate fixation or by using an equal volume of polyethylene glycol.

Answer 8

True