Case Report: Expanding the phenotypic spectrum of PURA syndrome in South America with the first presentation of concurrent vitiligo.

Purine-rich element-binding protein A (PURα) regulates multiple cellular processes. Rare de novo mutations can lead to PURA syndrome, which manifests as a range of multisystem disturbances, including hypotonia, global developmental delay, swallowing disorders, apnea, seizures, visual impairments, and congenital heart defects. We report the case of a Colombian girl with no relevant medical history who was diagnosed with PURA syndrome at the age of 7, due to a heterozygous mutation located at 5q31.2, specifically the variant c.697_699del (p.Phe233del), in exon 1 of the PURA gene. This represents the first documented case of PURA syndrome in South America and the first association of the syndrome with vitiligo, thereby expanding the known phenotypic spectrum. In addition to enriching the literature concerning the phenotypic diversity of PURA syndrome, this report highlights, for the first time, the diagnostic challenges faced by developing countries like Colombia in diagnosing high-burden rare diseases such as PURA syndrome.

WITHDRAWN: Recommendations for evaluation and management of pain in patients with mucopolysaccharidosis in Latin America.

The Publisher regrets that this article is an accidental duplication of an article that has already been published, https://doi.org/10.1016/j.jpainsymman.2018.03.023. The duplicate article has therefore been withdrawn. The full Elsevier Policy on Article Withdrawal can be found at https://www.elsevier.com/about/our-business/policies/article-withdrawal.

Paciente con síndrome convulsivo y tetrasomía parcial del cromosoma 15 / A patient with convulsive syndrome and partial tetrasomy of chromosome 15

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Achalasia familiar: report of a family with an autosomal dominant pattern of inherence.

Esophageal achalasia is a well-known pathology with an autosomal recessive pattern of inherence described in the familiar cases. Its principal symptom is dysphagia, secondary to the poor relaxation of the lower esophageal sphincter. Chagas disease is one of the many causes involved in the development of this disease, being of great importance in our country because of the high prevalence of the vector. Various syndromes include achalasia in their symptomatology, such as the triple A syndrome or Allgrove syndrome (Addisonianism, achalasia, and alacrimia). We reported a family with a classical autosomal pattern of inherence with six affected members, four men and two women, with achalasia diagnosis as well as esophagus cancer in two of them, secondary to the disease, and no other findings.