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<p>Congenital laryngeal cysts are rare conditions characterized by symptoms including respiratory distress, hoarseness, and stridor. Congenital laryngeal foraminal cysts (CLFCs), to our knowledge, have only been reported four times for last 55 years. In this article, we present two cases of CLFCs. Both patients were intubated at birth due to laryngeal cysts and underwent multiple endoscopic marsupializations followed by the relapses. This necessitated external cyst removal with resection of the cartilage in the area of the cyst isthmus, and no further relapses occurred afterwards. We aimed to identify characteristic features of CLFCs. During clinical examinations and imaging studies, we noted the displacement of the laryngeal ventricle and vocal fold by the cyst during flexible laryngoscopy, well-defined aryepiglottic fold and pear-shaped configuration on MRI. Given the ineffectiveness of endoscopic interventions based on our experience and existing literature, we recommend primary external excision of the cyst.</p>

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Recurrence of a Congenital Laryngeal Cyst after Endoscopic Marsupialization as an Indicator of a Foraminal Cyst

  • 期刊论文

  • 发表日期：

    2025年12月17日

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  • Pavel Pavlov,
  • Mariia Zakharova,
  • Shagane Karapetian

摘要

Congenital laryngeal cysts are rare conditions characterized by symptoms including respiratory distress, hoarseness, and stridor. Congenital laryngeal foraminal cysts (CLFCs), to our knowledge, have only been reported four times for last 55 years. In this article, we present two cases of CLFCs. Both patients were intubated at birth due to laryngeal cysts and underwent multiple endoscopic marsupializations followed by the relapses. This necessitated external cyst removal with resection of the cartilage in the area of the cyst isthmus, and no further relapses occurred afterwards. We aimed to identify characteristic features of CLFCs. During clinical examinations and imaging studies, we noted the displacement of the laryngeal ventricle and vocal fold by the cyst during flexible laryngoscopy, well-defined aryepiglottic fold and pear-shaped configuration on MRI. Given the ineffectiveness of endoscopic interventions based on our experience and existing literature, we recommend primary external excision of the cyst.