Journal of Pathology and Translational Medicine

Case Study

Benign Triton Tumor: A Rare Entity in Head and Neck Region: Krishnappa Amita, S. Vijay Shankar, Kuchangi C. Nischal, Haleuoor B. Basavaraj; Korean J Pathol. 2013;47(1):74-76. Published online February 25, 2013; DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.1.74

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Benign triton tumors (BTT) are very rare lesions composed of mature skeletal muscle and neural tissue. We report a case of a 14-year-old boy who presented with asymptomatic swelling of the chin over an 18-month duration which increased gradually to involve the left side of the lower lip. Clinically, a diagnosis of neurofibroma was made. Excisional biopsy confirmed the diagnosis of a BTT. Having an affinity for large nerve trunks like the brachial and sciatic, these tumors rarely occur in the head and neck region. When they do, they may involve the large central cranial nerve trunk and present as intracranial masses or involve the smaller peripheral nerve twigs and present as asymptomatic skin nodules, of which only four cases involving peripheral nerves are reported in the English literature. Here, we report the fifth documented case of a BTT involving the mental branch of the trigeminal nerve. A brief review of the literature is also provided.

Citations

Citations to this article as recorded by

Update on MR Imaging of Soft Tissue Tumors of Head and Neck
Justin D. Rodriguez, A. Morgan Selleck, Ahmed Abdel Khalek Abdel Razek, Benjamin Y. Huang
Magnetic Resonance Imaging Clinics of North America.2022; 30(1): 151. CrossRef
Pediatric benign triton tumor of trigeminal nerve: a case report and literature review
Sophia Peng, Mandana Behbahani, Shelly Sharma, Stacy Speck, Nitin R. Wadhwani, Jeff C. Rastatter, Tord D. Alden
Child's Nervous System.2022; 38(11): 2055. CrossRef
Rhabdomyomatous mesenchymal hamartoma presenting as a chin nodule in a 15‐year‐old male
Lisa M. Marinelli, Wendi E. Wohltmann, Kevin D. Myers, Geoffrey T. Sasaki
Journal of Cutaneous Pathology.2021; 48(2): 322. CrossRef
Pediatric Benign Tumors With a Skeletal Muscle Component: Myogenin Expression, Diagnostic Pitfalls, and New Molecular Insights
Lara Berklite, John Ozolek, Larry Wang, Luisa Santoro, Vittoria Donofrio, Alessandra Stracuzzi, Ivy John, Rita Alaggio
Pediatric and Developmental Pathology.2021; 24(3): 213. CrossRef
Incidental Hamartoma in an elderly patient: a case report
Tae-Sung Joo, Hyejee Kim, In-Ki Park, Jae-Ho Shin
BMC Ophthalmology.2020;[Epub] CrossRef
Peripheral Nerve Sheath Tumors of Head and Neck: Imaging-Based Review of World Health Organization Classification
Ahmed Abdel Khalek Abdel Razek, Omneya A. Gamaleldin, Nermeen A. Elsebaie
Journal of Computer Assisted Tomography.2020; 44(6): 928. CrossRef
Benign peripheral nerve tumors
Zinon T. Kokkalis, Nikolaos A. Stavropoulos, Andreas F. Mavrogenis, Andreas Panagopoulos, Panayotis N. Soucacos
Injury.2019; 50: S77. CrossRef
Tumor de tritón benigno: reporte de un caso en órbita
Tatiana Urrea Victoria, Luis Alberto Ruíz Robles, Ana María Vanegas Monroy, Humberto Quintana Muñoz
Universitas Médica.2017;[Epub] CrossRef
Benign Triton Tumor: Multidisciplinary Approach to Diagnosis and Treatment
Raj Thakrar, Caroline D. Robson, Sara O. Vargas, John G. Meara, Reza Rahbar, Edward R. Smith
Pediatric and Developmental Pathology.2014; 17(5): 400. CrossRef
Ectomesenchymoma with Embryonal Rhabdomyosarcoma and Ganglioneuroma, Arising in Association with Benign Triton Tumor of the Tongue
Katherine A. VandenHeuvel, David F. Carpentieri, Jie Chen, Kar-Ming Fung, David M. Parham
Pediatric and Developmental Pathology.2014; 17(3): 226. CrossRef
Adulthood Benign Triton Tumor Developed in the Orbit
Dong Hyeon Bae, Choong Hyun Kim, Jin Hwan Cheong, Jae Min Kim
Journal of Korean Neurosurgical Society.2014; 56(2): 146. CrossRef

Case Reports

Ovarian Sertoli-Leydig Cell Tumors with Heterologous Gastrointestinal Type Epithelium or with Striated Skeletal Muscle: report of two cases.: Ki Ouk Min, Eun Joo Seo, Young Shin Kim, Kyo Young Lee, Sang In Shim; Korean J Pathol. 1996;30(1):50-56.

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Abstract PDF: Sertoli-Leydig cell tumors of the ovary are rare, accounting for no more than 0.5% of all ovarian neoplasms. These tumors occur predominantly in women 10 to 30 years of age. Heterologous elements are found in over 20% of the moderately and poorly differentiated Sertoli- Leydig cell tumors. The most common element is gastrointestinal mucin-secreting epithelium, found in approximately 20% of all cases. Approximately 4% of Sertoli-Leydig cell tumors contain immature skeletal muscle and/or cartilaginous elements. The origin of these neoplasms is regarded as neometaplasia of the mesodermal neoplastic element. While the degree of differentiation of Sertoli-Leydig cell tumors is probably of greater importance in determining prognosis than the presence of heterologous components, recent evidence does point to an unfavorable effect on clinical outcome when heterologous mesenchymal components such as cartilage and striated muscle are present. We experienced two cases of ovarian heterologous Sertoli-Leydig cell tumors with gastrointestinal type epithelium and striated skeletal muscle in 20 and 21 year-old females, respectively. One case involved a patient who had complained of amenorrhea for 3 years while the other case involved a patient who had complained of left lower abdominal tenderness and amenorrhea for one and one half years. It was determined by ultrasonography of the pelvis that the two patients suffered from right and left ovarian masses. Both patients underwent adnexectomy. These tumors were large with partly solid and partly cystic areas. Based on light microscopic examination one case was classified as an intermediate Sertoli-Leydig cell tumor with heterologous gastrointestinal type epithelium, while the other case was classified as a poorly differentiated Sertoli-Leydig cell tumor with heterologous striated skeletal muscle.

Fibrovascular Polyp of the Hypopharynx: A Case Report.: Sunhee Chang, Sang Hwa Shim, Ji Eun Kwak, Mee Joo, Hanseong Kim, Bum Jo Jung, Joong Wook Shin, See Young Park, Kyung Ja Cho, Je G Chi; Korean J Pathol. 2008;42(4):226-228.

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Abstract PDF: We report here on a case of fibrovascular polyp arising in the hypopharynx of a 62-year-old man. Laryngomicroscopic surgery with laser ablation was performed to excise the mass. Histopathologically, the surface of the polyp was covered with mature squamous epithelium. The polyp showed a characteristic lobular proliferation of mature adipose tissue that was separated by myxoid or collagenous connective tissue. Some scattered skeletal muscle bundles were seen in the central portions of the polyp and these bundles were surrounded by a concentric proliferation of the spindle cells; this was reminiscent of Pacinian corpuscles. Regarding their location and the intermingled pattern of proliferating tissues, it is more plausible that the skeletal muscle is a hamartomatous component rather than entrapped, preexisting tissue.

Congenital Subglottic Stenosis of the Larynx Associated with Tracheoesophageal Fistula: 1 autopsy case.: In Sook Kim, Tae Jung Kwon, Dong Wha Lee; Korean J Pathol. 1989;23(3):350-354.

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Abstract PDF: Congenital subglottic stenosis of the larynx is one of the most common cause of chronic airway obstruction im infancy and childhood. It is defined as narrowing of the space bounded inferiorly by the inferior margin of the cricoid cartilage amd superiorly by the insertion of the fibers of the conus elasticus into the true vocal cords. In case we experienced was a female full-term baby delivered by Cesarean section. The stenosis was believed by hypertrophy of stromal soft tissue and cricoid cartilage in the subglottic area. The lesion was associated with tracheoesophageal fistula of H1 type. A brief review of the literature was done.

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