Abstract
Pulmonary squamous cell carcinoma is the second most common non–small cell malignancy of the lung. It commonly metastasizes to the adrenal glands, bone, liver, brain, and kidneys. Most occurrences of metastatic squamous cell carcinoma involving the gastrointestinal tract originate from primary lung tumors. Metastasis to the duodenum, however, is exceedingly rare, with very few cases of stomach or duodenal involvement described in the literature. We report the case of a patient with stage IV pulmonary squamous cell carcinoma metastasizing to the duodenum with an uncommon presentation to add to the paucity of literature available regarding this rare finding.
Highlights
An 81-year-old Caucasian male was referred to the emergency department by his oncologist for symptomatic anemia
The patient was diagnosed with reported squamous cell carcinoma (SCC) of the lung and was scheduled to begin palliative chemotherapy as an outpatient
Non–small cell lung cancers typically spread to the bone, brain, adrenal glands, and/or kidneys.[1]
Summary
Small bowel, malignancy, squamous cell carcinoma, colonoscopy, endoscopy The patient was diagnosed with reported squamous cell carcinoma (SCC) of the lung and was scheduled to begin palliative chemotherapy as an outpatient. The patient underwent CT angiography, which identified a bleeding source in the distal duodenum; the decision was made to forego colonoscopy and proceed to capsule endoscopy (CE).
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