Optic Nerve Choristoma Mimicking a Neurenteric Cyst

Benson, John C.; Giannini, Caterina; Cohen, Shahar; Gompel, J. Van; Kim, D.K.; Port, John D.; Diehn, Felix E.; Eckel, Laurence J.; Carr, Charles D.

doi:10.3174/ajnr.a6892

Cited by 2 publications

(3 citation statements)

References 20 publications

(22 reference statements)

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“…This chapter focuses on primary lesions of the optic disk and pre-chiasmal optic nerve. Optic nerve choristoma, a rare, benign, developmental/malformative lesion composed of smooth muscle and adipose tissue within and around the optic nerve, is added to this chapter [2, 61, 62] that is coordinated with the 5th edition of WHO Classification of the Tumours of the Central Nervous System [63].…”

Section: Specific Changesmentioning

confidence: 99%

The 5th Edition of the World Health Organization Classification of Tumours of the Eye and Orbit

Milman¹,

Grossniklaus²,

Goldman-Levy³

et al. 2023

Ocul Oncol Pathol

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The 5th edition of the World Health Organization (WHO) Classification of Tumours of the Eye and Orbit is the latest step in standardizing the diagnostic practice worldwide. Building upon the 4th edition, published in 2018, the 5th edition introduces new chapters on the eyelid and orbital tumors, and consolidates sections on hematolymphoid tumors, soft tissue and bone tumors, metastases and genetic tumor predisposition syndromes into dedicated chapters. Written in the format of the other 5th edition volumes, a systematic approach is taken to describe the defining characteristics of each tumor type and its staging, with the addition of macroscopic appearance, cytology, diagnostic molecular pathology, and essential and desirable diagnostic criteria. This volume highlights recent advances in the etiology, pathogenesis, and diagnosis of tumors of the eye and ocular adnexa. Radiologic and ophthalmic features are also emphasized. Moreover, the 5th edition includes updates on the classification scheme for certain tumors, such as vascular anomalies, and introduces tumors that have been recently identified in the eye and ocular adnexa. This editorial summarizes the major general changes in the 5th edition of the WHO classification of Tumours of the Eye and Orbit, and the specific updates in each taxonomic category, with an emphasis on advances in understanding tumor pathogenesis, diagnostic and prognostic criteria, and novel immunohistochemical and molecular markers.

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Section: Specific Changesmentioning

confidence: 99%

The 5th Edition of the World Health Organization Classification of Tumours of the Eye and Orbit

Milman¹,

Grossniklaus²,

Goldman-Levy³

et al. 2023

Ocul Oncol Pathol

View full text Add to dashboard Cite

show abstract

“…1,2 Choristoma can originate from many different tissues, including bone, cartilage, salivary glands, or muscle, and they are named after the tissue of origin. [3][4][5][6][7][8] Osseous choristomas are typically composed of thin bones with harvester-like structures. 2 The cause of their formation is believed to be either a developmental deformity or a reactive mechanism.…”

Section: Introductionmentioning

confidence: 99%

“…Choristoma is considered an abnormal but non‐neoplastic growth of histologically normal tissue in an ectopic body location 1,2 . Choristoma can originate from many different tissues, including bone, cartilage, salivary glands, or muscle, and they are named after the tissue of origin 3–8 . Osseous choristomas are typically composed of thin bones with harvester‐like structures 2 .…”

Section: Introductionmentioning

confidence: 99%

Osseous choristoma: Report of a case on the palate and a literature review

Shamloo,

Modanloo,

Khaleghi

2023

Clinical Case Reports

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Key Clinical MessageOsseous choristoma is a rare entity, mainly found on the posterior tongue. It is described as a nodular or exophytic lesion with firm to hard consistency. Clinicians should consider osseous choristoma when confronting lesions with the same features.AbstractOsseous choristoma is an unusual growth of ectopic bone in the soft tissue. This lesion is extremely rare, with a few cases reported in the literature, and they typically appear in the head and neck region, particularly the posterior tongue. The current report presents a case of osseous choristoma in the palate of a 51‐year‐old female. The patient had slight discomfort, which was resolved after surgical excision of the lesion, and no recurrence was observed. This research presents an instance of osseous choristoma in a less common location and concurrently acts as a review of this rare condition.

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Optic Nerve Choristoma Mimicking a Neurenteric Cyst

Cited by 2 publications

References 20 publications

The 5th Edition of the World Health Organization Classification of Tumours of the Eye and Orbit

The 5th Edition of the World Health Organization Classification of Tumours of the Eye and Orbit

Osseous choristoma: Report of a case on the palate and a literature review

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