Cytopathology — MCQs

Urinary cytology is a useful screening test for the diagnosis of which of the following conditions?

Which of the following is the earliest manifestation of Crohn disease?

Which of the following diseases is not a cause of indirect hyperbilirubinemia?

Which stain is used to highlight mucin?

Which of the following tests is unable to differentiate between in situ breast cancer and invasive disease?

A 58-year-old man presents with severe back pain. His history is negative for trauma and he has no other complaints. He denies urinary frequency, hesitancy, or dysuria. A digital rectal examination confirms the presence of a firm, hard, asymmetrical, and stony prostate, suggestive of prostatic malignancy. In addition to PSA, which of the following markers can be demonstrated in the tumor cells?

Which stain is used for Pneumocystis carinii?

According to the Betheseda criteria for solitary thyroid nodules, which category is classified as a 'follicular neoplasm'?

A patient presents with respiratory symptoms including cough, hemoptysis, and glomerulonephritis. The c-ANCA level in serum was found to be elevated. What is the most likely diagnosis?

A 44-year-old woman presents with increasing abdominal distention over the past 6 weeks. Physical examination reveals an abdominal fluid wave and present bowel sounds. Paracentesis yields 1000 mL of slightly cloudy serous fluid containing malignant cells consistent with adenocarcinoma. Molecular analysis of these cells shows an MSH2 gene mutation with microsatellite instability. Her medical history is otherwise unremarkable. Her sister was diagnosed with endometrial cancer, and her brother had gastric carcinoma. What is the most likely diagnosis explaining this patient's symptoms?