A rare, autosomal dominant genetic disorder characterized by mucocutaneous pigmented macules on the lips, mouth, and digits, along with an increased risk of various gastrointestinal and pancreatic cancers. Named after Dutch–American physicians Jan Peutz and Harold Jeghers, the syndrome is diagnosed clinically by pigmented lesions and family history, with genetic confirmation in many cases. Proper pronunciation helps experts and patients convey the condition clearly in clinical discussions and literature reviews.
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