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Case Reports: Reminder of important clinical lesson
Conjunctival amelanotic melanoma presenting as a multifocal pink lesion
  1. Matthew Keith Kenworthy1,
  2. Sarah Jane Kenworthy2,
  3. Paolo De Guzman3 and
  4. Nigel Morlet4
  1. 1Ophthalmology, Sir Charles Gairdner Hospital, Nedlands, Western Australia, Australia
  2. 2School of Medicine, Deakin University—Geelong Waurn Ponds Campus, Geelong, Victoria, Australia
  3. 3Hamatology, Sir Charles Gairdner Hospital, Nedlands, Western Australia, Australia
  4. 4Ophthalmology, Royal Perth Hospital, Perth, Western Australia, Australia
  1. Correspondence to Dr Matthew Keith Kenworthy; drmkenworthy{at}gmail.com

Abstract

Conjunctival amelanotic malignant melanoma is a rare form of melanoma, which lacks visible pigment and is commonly located underneath the eyelids in the bulbar conjunctiva. In this report, we described a case of a Caucasian women in her 70s who presented with unilateral irritation and tenderness following cataract surgery. On eversion of the eyelid, two elevated pink lesions were noted. Tumour - Node - Metastasis staging with the American Joint Committee on Cancer staging system eighth edition was T3C and required multiple excisions and reconstruction procedures. This case exemplified the diagnostic pitfall of conjunctival amelanotic malignant melanoma, which is a potentially life-threatening disease and the importance of histopathology in the diagnostic process.

  • Pathology
  • Ophthalmology
  • Oncology

https://doi.org/10.1136/bcr-2022-250682

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    Footnotes

    • Contributors MKK: drafting, editing. SK: drafting, editing. PDG: drafting, editing. NM: drafting, editing.

    • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

    • Case reports provide a valuable learning resource for the scientific community and can indicate areas of interest for future research. They should not be used in isolation to guide treatment choices or public health policy.

    • Competing interests None declared.

    • Provenance and peer review Not commissioned; externally peer reviewed.