Giulia Querzoli, Carlotta Liberale, Vicenzo Maiolo, Daria Maria Filippini, Elisabetta Nobili, Giambattista Siepe, Annalisa Altimari, Gabriele Molteni, Maria Pia Foschini
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Do not Judge a book by its Cover: A Secretory Carcinoma Arising from a Salivary Gland Heterotopia in Laterocervical lymph-node.
Heterotopia, the occurrence of specific tissues in ectopic sites during embryogenesis, includes the presence of salivary gland tissue in unusual locations. Salivary gland neoplasms arising from heterotopic sites are rare. Secretory Carcinoma (SC) is a rare salivary gland carcinoma characterized by ETV6-NTRK3 fusion gene, very rarely described in salivary gland heterotopia. Here a case of SC originating from salivary gland heterotopia in a neck lymph node is reported, together with a literature review.A 66-year-old male presented with a left neck mass. Imaging and fine needle aspiration cytology indicated a preliminary diagnosis of a benign/low-grade malignancy neoplasm.Following surgery (superficial parotidectomy and mass excision), histological examination revealed SC within an intranodal salivary heterotopia, confirmed by molecular analysis.Heterotopic salivary gland tissue (HSGT) is rare, and its association with neoplasms is even rarer. Tumours arising on HSGT, share histological similarities with those affecting orthotopic salivary glands. This unique case expands the understanding of SC occurrences on HSGT.
期刊介绍：
Head & Neck Pathology presents scholarly papers, reviews and symposia that cover the spectrum of human surgical pathology within the anatomic zones of the oral cavity, sinonasal tract, larynx, hypopharynx, salivary gland, ear and temporal bone, and neck.
The journal publishes rapid developments in new diagnostic criteria, intraoperative consultation, immunohistochemical studies, molecular techniques, genetic analyses, diagnostic aids, experimental pathology, cytology, radiographic imaging, and application of uniform terminology to allow practitioners to continue to maintain and expand their knowledge in the subspecialty of head and neck pathology. Coverage of practical application to daily clinical practice is supported with proceedings and symposia from international societies and academies devoted to this field.
Single-blind peer review
The journal follows a single-blind review procedure, where the reviewers are aware of the names and affiliations of the authors, but the reviewer reports provided to authors are anonymous. Single-blind peer review is the traditional model of peer review that many reviewers are comfortable with, and it facilitates a dispassionate critique of a manuscript.
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