Clinical presentation A 51-year-old man, who had no previous disease, underwent a screening oesophagogastroduodenoscopy, which revealed multiple yellowish lesions in the middle thoracic oesophagus. All lesions were ≤3 mm in size and slightly elevated. Each lesion showed one or two white protrusions on the surface (figure 1). We observed that one lesion looked obviously different from the others and showed yellowish granular spots (figure 2). A biopsy was performed on a representative lesion among the slightly elevated yellowish lesions with white protrusions (figure 3). A biopsy was repeated on a lesion showing yellowish granular spots (figure 4). Blood tests which were examined on the same day, including triglyceride and cholesterol, were within normal limits.
Question What is the diagnosis?
- oesophageal lesions
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Contributors KH designed the study; collected, analysed and interpreted the data; and wrote and reviewed the manuscript. YY analysed and interpreted the data, and reviewed the manuscript. JK and HO reviewed the manuscript.
Competing interests None declared.
Patient consent Written informed consent was obtained from the patient.
Provenance and peer review Not commissioned; externally peer reviewed.