Assessment of Renal and urinary tract masses: Pathology review | Osmosis

Question

A 52-year-old man comes to the clinic because of vague right-sided back pain over the past two months. He denies any recent trauma, heavy lifting, or new activity. The patient has also noticed a 4.2 kg weight loss during this time, despite not making any changes to diet or activity. The patient has a 20 pack-year smoking history. The patient’s temperature is 37.8°C (100°F), pulse is 75/min, and blood pressure is 128/85 mm Hg. Physical examination shows no abnormalities. The results of his urinalysis are shown below:

Laboratory value	Result
Urinalysis
Erythrocytes	60/hpf
Leukocytes	4/hpf
Bacteria	None

Which of the following is a possible complication of this patient's condition?

Accepted Answer

Polycythemia

Answer

Hypertrophic osteoarthropathy

Answer

Dermatomyositis

Answer

Opsoclonus myoclonus ataxia syndrome

Answer

Hyponatremia

Answer

Lambert-Eaton myasthenic syndrome

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Renal and urinary tract masses: Pathology review

Pathology

Renal system