Lacrimal Gland Tumors Treatment & Management
- Author: Dan D DeAngelis, MD, FRCS(C); Chief Editor: Hampton Roy Sr, MD more...
Medical Care
Radiation therapy is the mainstay of treatment for lymphoid lesions, ranging from 2000-3000 cGy of total radiation. Antineoplastic agents, administered under the direction of an oncologist, usually are required for systemic disease.
Surgical Care
The treatment of lacrimal gland tumors can be divided largely into 2 categories based on the duration of symptoms, clinical evaluation, and radiographic features of the lesion.
- Patients with a long-standing, painless, slowly growing mass with a well-circumscribed appearance on imaging studies are presumed to have a pleomorphic adenoma.
- Treatment is extirpation, consisting of a lateral orbitotomy with intracapsular removal of all lesional tissue with careful attention to prevent violation of the pseudocapsule.
- Incisional biopsy of these lesions is contraindicated because, although histologically benign, incomplete excision often leads to repeated recurrences (as high as 30% in some studies) and malignant transformation.
- Small, fingerlike protuberances outside the main tumor bulk with subsequent seeding of the residual tumor are believed to be responsible for this phenomenon.
- Painful lesions of short duration (>4-8 wk), especially with concomitant bony involvement, require an incisional biopsy of the lacrimal gland lesion and careful histopathologic evaluation to rule out a malignant neoplasm.
- If pathologic evaluation of the permanent sections of the lesion reveals adenoid cystic carcinoma, prognosis for survival is poor.
- Treatment modalities are difficult to evaluate prospectively because of the low incidence and the tendency for long-term recurrences.
- The classic treatment consists of radical exenteration with frontal bone excision, maxillectomy, and temporalis fossa excision as an attempt at a curative modality in these patients (because of the diffusely infiltrative nature of these lesions and the tendency for perineural spread).
- If a malignant lesion is suspected preoperatively, complete extirpation as the initial procedure (as per a pleomorphic adenoma) and follow-up radiotherapy of 6400-6800 cGy may produce a long-term survival no worse than radical exenteration with significantly less morbidity.
- According to one study, when intra-arterial chemotherapy is used as an adjunct to radiation treatment and/or surgery, there is some benefit to overall disease-free survival.[1]
- Mortality is increased, if bony involvement is present.
Consultations
- Appropriate hematology and oncology consultations are indicated to exclude systemic involvement, if a diagnosis of lymphoma is confirmed.
- Coordinated treatment with a radiation oncologist often is used for malignant and lymphoid lesions.
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