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Am J Ophthalmol Case Rep. 2018 Nov 20;13:38-40. doi: 10.1016/j.ajoc.2018.11.015. eCollection 2019 Mar.

A complex choristoma presenting as a salmon patch lesion in the bulbar conjunctiva.

Author information

1
Department of Ophthalmology and Visual Sciences, Illinois Eye and Ear Infirmary, University of Illinois at Chicago, Chicago, IL, USA.
2
Department of Pathology, University of Illinois at Chicago, Chicago, IL, USA.

Abstract

Purpose:

We describe a rare case of a complex choristoma appearing as a salmon-patch lesion in the nasal conjunctiva. While benign, complex choristomas are grossly indistinguishable from malignant lesions, and an excisional biopsy is warranted to confirm the diagnosis.

Observations:

A 31-year-old man presented with an elevated glistening pink mass on the conjunctiva. An excisional biopsy with a "no-touch" technique was performed, followed by placement of an amniotic membrane graft without postoperative complications. No subsequent medical treatment was pursued after the biopsy and histopathologic evaluation. Histopathology confirmed a diagnosis of a complex choristoma with sections consisting of fibroadipose tissue with cartilage, smooth muscle, and nerves. Histopathology was negative for malignant cells without morphologic evidence of a lymphoma.

Conclusions and Importance:

Conjunctival tumors are difficult to distinguish clinically, and a differential diagnosis often includes the possibility of a malignancy. Histopathologic diagnosis may be required to distinguish between various entities. In our case, a salmon-patch conjunctival tumor was biopsied and confirmed to be a benign complex choristoma.

KEYWORDS:

Choristoma; Complex choristoma; Conjunctiva; Conjunctival pathology; Conjunctival tumor

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