Isolated Infra-Orbital Nerve Schwannoma
Introduction- A schwannoma is a benign tumor that develops from Schwann cells. It’s known to occur more frequently in women than men, and about one third occur in the head & neck area. However, it is rarely associated with the trigeminal nerve, and especially, schwannomas related to the infraor...
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The Association of Otolaryngologists of India, West Bengal
2024-05-01
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| Series: | Bengal Journal of Otolaryngology and Head Neck Surgery |
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| Online Access: | https://bjohns.in/journal23/index.php/bjohns/article/view/85 |
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| author | Debjyoti Mallick Saumitra Kumar Rojan Ravi Ankita Atin Mukherjee |
| author_facet | Debjyoti Mallick Saumitra Kumar Rojan Ravi Ankita Atin Mukherjee |
| author_sort | Debjyoti Mallick |
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Introduction- A schwannoma is a benign tumor that develops from Schwann cells. It’s known to occur more frequently in women than men, and about one third occur in the head & neck area. However, it is rarely associated with the trigeminal nerve, and especially, schwannomas related to the infraorbital nerve are rare.
Case report- A 24-year-old male jute mill worker presented with painless swelling over left side of face for the last 12 years. On examination, localized, nontender, firm 3cm x 3cm swelling was found over left maxilla. Computed Tomography scan showed a well-defined heterogenous oval mass over the left maxilla extending over infraorbital foramen. Aspiration cytology of lesion showed good numbers of spindle cells in groups and dispersedly with fibrous strands. Diagnosis of schwannoma probably arising from terminal branch/trunk of infraorbital nerve was made. Surgical excision of lesion was done under general anesthesia. Histopathological examination of the excised lesion showed grossly firm and gray mass. Microscopically the lesion showed admixture of dense and loose areas referred to as Antoni A and Antoni B areas respectively.
Discussion- Infraorbital nerve schwannoma is a possible diagnosis in case of a swelling over the maxilla.
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| format | Article |
| id | doaj-art-6fc820b95f1a432cb7557bde79bf2fdf |
| institution | Kabale University |
| issn | 2395-2393 2395-2407 |
| language | English |
| publishDate | 2024-05-01 |
| publisher | The Association of Otolaryngologists of India, West Bengal |
| record_format | Article |
| series | Bengal Journal of Otolaryngology and Head Neck Surgery |
| spelling | doaj-art-6fc820b95f1a432cb7557bde79bf2fdf2025-02-11T09:43:32ZengThe Association of Otolaryngologists of India, West BengalBengal Journal of Otolaryngology and Head Neck Surgery2395-23932395-24072024-05-0131310.47210/bjohns.2023.v31i3.85Isolated Infra-Orbital Nerve SchwannomaDebjyoti Mallick0https://orcid.org/0009-0000-5465-2889Saumitra Kumar1Rojan Ravi2Ankita Atin Mukherjee3College Of Medicine & J.N.M Hospital, Kalyani, West BengalCollege Of Medicine & J.N.M Hospital, Kalyani, West BengalCollege Of Medicine & J.N.M Hospital, Kalyani, West BengalCollege Of Medicine & J.N.M Hospital, Kalyani, West Bengal Introduction- A schwannoma is a benign tumor that develops from Schwann cells. It’s known to occur more frequently in women than men, and about one third occur in the head & neck area. However, it is rarely associated with the trigeminal nerve, and especially, schwannomas related to the infraorbital nerve are rare. Case report- A 24-year-old male jute mill worker presented with painless swelling over left side of face for the last 12 years. On examination, localized, nontender, firm 3cm x 3cm swelling was found over left maxilla. Computed Tomography scan showed a well-defined heterogenous oval mass over the left maxilla extending over infraorbital foramen. Aspiration cytology of lesion showed good numbers of spindle cells in groups and dispersedly with fibrous strands. Diagnosis of schwannoma probably arising from terminal branch/trunk of infraorbital nerve was made. Surgical excision of lesion was done under general anesthesia. Histopathological examination of the excised lesion showed grossly firm and gray mass. Microscopically the lesion showed admixture of dense and loose areas referred to as Antoni A and Antoni B areas respectively. Discussion- Infraorbital nerve schwannoma is a possible diagnosis in case of a swelling over the maxilla. https://bjohns.in/journal23/index.php/bjohns/article/view/85SchwannomaInfraorbital nerveSchwann cellsNeurofibromatosisExtra-cranial schwannomaMidface swelling |
| spellingShingle | Debjyoti Mallick Saumitra Kumar Rojan Ravi Ankita Atin Mukherjee Isolated Infra-Orbital Nerve Schwannoma Bengal Journal of Otolaryngology and Head Neck Surgery Schwannoma Infraorbital nerve Schwann cells Neurofibromatosis Extra-cranial schwannoma Midface swelling |
| title | Isolated Infra-Orbital Nerve Schwannoma |
| title_full | Isolated Infra-Orbital Nerve Schwannoma |
| title_fullStr | Isolated Infra-Orbital Nerve Schwannoma |
| title_full_unstemmed | Isolated Infra-Orbital Nerve Schwannoma |
| title_short | Isolated Infra-Orbital Nerve Schwannoma |
| title_sort | isolated infra orbital nerve schwannoma |
| topic | Schwannoma Infraorbital nerve Schwann cells Neurofibromatosis Extra-cranial schwannoma Midface swelling |
| url | https://bjohns.in/journal23/index.php/bjohns/article/view/85 |
| work_keys_str_mv | AT debjyotimallick isolatedinfraorbitalnerveschwannoma AT saumitrakumar isolatedinfraorbitalnerveschwannoma AT rojanravi isolatedinfraorbitalnerveschwannoma AT ankitaatinmukherjee isolatedinfraorbitalnerveschwannoma |