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Revista Habanera de Ciencias Médicas

versión On-line ISSN 1729-519X


ARUS FERNANDEZ, Ana Elena  y  ARUS SOLER, Enrique. Peutz-Jeghers syndrome, telangiectasias, and mitral valve prolapse. Case presentation and genetic counseling. Rev haban cienc méd [online]. 2021, vol.20, n.3, e3718.  Epub 16-Jun-2021. ISSN 1729-519X.


Peutz-Jeghers syndrome is characterized by mucocutaneous hyperpigmentation and gastrointestinal hamartomas that can appear from the stomach to the anus. It has an autosomal dominant inheritance pattern and variable expressiveness. The diagnosis is based on clinical findings and histological appearance of the polyps. No association between this entity and telangiectasias and mitral valve prolapse has been reported so far.


To describe the findings that made it possible to establish the diagnosis of Peutz-Jeghers syndrome in a patient and to provide genetic counseling.

Case presentation:

Thirty-six-year-old male patient with a history of mitral valve prolapse who attends a clinical genetics consultation with his wife to request genetic counseling due to the fact that their daughter was diagnosed with Peutz-Jeghers Syndrome and they want to know about the risk of having another affected child. On physical examination, a hyperpigmented macule on the lower lip and several of these on the gums were observed. With such findings and the antecedent of having a daughter with Peutz-Jeghers syndrome, the same diagnosis is made in the father. As data of interest, multiple telangiectasias on the thorax, neck and back were found in this individual. The studies carried out to identify the same cause were negative.


The history and findings in this patient allowed us to make the diagnosis of Peutz-Jeghers syndrome as well as to provide genetic counselling. The first report of this disease associated with telangiectasias and mitral valve prolapse is presented in the scientific literature.

Palabras clave : Peutz-Jeghers syndrome; genetic counseling; telangiectasias; mitral valve prolapse; polyps; epistaxis.

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