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Old 07-01-2011
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Lungs the likely histology of this lung cancer

A 70 year old woman wit a 40 pack-year smoking history presents with cough and weight loss. She describes recent diffuse darkening of the skin and her Chest x-ray shows a mass suspicious in the right hilum. Her laboratory tests reveal hypokalemia. Which of the following is the most likely histology of the lung cancer?

A. Adenocarcinoma
B. Small cell
C. Squamous cell
D. Mesothelioma
E. Glioblastoma
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Old 07-01-2011
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B. Small cell
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Old 07-02-2011
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Answer is B. Small cell . Endocrine syndromes are seen in 12% of patients with lung cancer. ADH and ACTH secretion are associated with small cell carcinoma . ACTH secreting tumors are associated with darkening of the skin and hypokalemia.
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Old 07-10-2011
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gud qtn man
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Old 07-10-2011
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B. Small cell

SIADH cause hypokelmia
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Old 07-10-2011
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Answer is b..........
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