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The Peutz-Jeghers Syndrome (PJS) is an autosomal dominant neoplastic syndrome defined by hamartomatous polyps through the gastrointestinal tract, development of characteristic mucocutaneous pigmentations, and an elevated lifetime cancer risk. The majority of cases are due to a mutation in the STK11 gene located at 19p13.3. The estimated incidence of PJS ranges from 1:50,000 to 1:200,000. PJS carries an elevated risk of malignancies including gastrointestinal, breast, lung, and genitourinary (GU) neoplasms. Patients with PJS are at a 15- to 18-fold increased malignancy risk relative to the general population. Radiologists have an integral role in the diagnosis of these patients. Various imaging modalities are used to screen for malignancies and complications associated with PJS. Awareness of various PJS imaging patterns, associated malignancies, and their complications is crucial for accurate imaging interpretation and patient management. In this manuscript, we provide a comprehensive overview of PJS, associated malignancies, and surveillance protocols.
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http://dx.doi.org/10.3390/cancers13205121 | DOI Listing |
Virchows Arch
September 2025
Department of Pathology, First Faculty of Medicine, Charles University and General University Hospital, Studničkova 2, 12800, Prague, Czech Republic.
Synchronous mucinous metaplasia and neoplasia of the female genital tract (SMMN-FGT) is a rare disorder defined as mucinous lesions affecting at least two sites in the female genital tract. We report a case of SMMN-FGT in a Caucasian 65-year-old patient with a right adnexal mass. The patient underwent radical surgery and histological examination showed mucinous ovarian carcinoma combined with mucinous metaplasia of the fallopian tube.
View Article and Find Full Text PDFHum Mutat
August 2025
Advanced Center for Translational and Genetic Medicine, Stanley Manne Children's Research Institute, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois, USA.
Peutz-Jeghers syndrome (PJS) is a rare autosomal dominant disorder hallmarked by mucocutaneous melanocytic macules and gastrointestinal hamartomatous polyposis associated with germline/somatic pathogenic variants in the tumor suppressor . PJS is clinically heterogeneous; however, the relationship between clinical phenotype and genotype remains elusive. Here, we report a family with PJS that harbors a heterozygous whole gene deletion combined with a heterozygous variant in that segregates with mucocutaneous pigmentation in the family.
View Article and Find Full Text PDFEndoscopy
December 2025
Department of Gastroenterology and Hepatology, West China Hospital, Sichuan University, Chengdu, Sichuan, China.
Mol Cytogenet
August 2025
Department of Medical Genetics and Genomics, School of Medicine, Sapporo Medical University, 1 West 17, Chuo-ku, Sapporo, 060-8556, Japan.
Unlabelled: Peutz–Jeghers syndrome is an autosomal dominant disease characterized by intestinal polyposis, mucocutaneous pigmentation, and an increased risk of various types of cancer. Germline mutations in (), which encodes serine/threonine kinase 11, have been identified as the major cause of Peutz–Jeghers syndrome. Here, we detected a rare variant of undetermined significance in intron 2 of using multi-gene panel analysis in a girl with clinically suspected Peutz–Jeghers syndrome.
View Article and Find Full Text PDFJ Pediatr Gastroenterol Nutr
August 2025
Department of Medicine, Division of Gastroenterology and Hepatology, Indiana University School of Medicine, Indianapolis, Indiana, USA.
Objectives: Endoscopic mucosal resection (EMR) is well established in adult gastroenterology but remains underutilized in pediatrics due to limited data, training opportunities, and equipment. This study presents a 10-year, single-center experience with conventional hot and cold snare EMR, band-assisted (B-EMR), and underwater EMR (U-EMR) techniques in pediatric patients.
Methods: A retrospective review was conducted of all EMR procedures performed in patients under 21 years of age between 2015 and 2025 at a tertiary care children's hospital.