Pharyngeal hairy polyps are rare lesions that present as a pedunculated mass that may arise from the oropharyngeal or nasopharyngeal regions of the pharynx. The mass has the potential to partially or completely obstruct pathways towards the trachea and/or esophagus resulting in respiratory distress and/or feeding difficulties respectively. They have a predilection for female infants of 6:1 with the vast majority of the cases occurring in the infantile period. We report 5 cases of the hairy polyp in female infants, one of which showed unusual presentation since it was diagnosed at ten months of age.
Epstein-Barr virus (EBV) may present few or no symptoms in immunocompetent individuals; however, in immunocompromised patients as in the case of AIDS and post-transplant patients, the virus occasionally stimulates neoplastic transformations. Epstein-Barr virus may play a role in the development of smooth muscle tumors (SMT). In the case of Epstein-Barr associated smooth muscle tumors (EBV+SMT), the virus is thought to be the leading factor to the tumorigenic pathway. We report two pediatric patients (6 and 13 years old) who underwent liver transplantation and developed EBV+SMT in the colon and orbit. These two cases represent rare locations for this kind of lesion.
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