|Year : 2015 | Volume
| Issue : 2 | Page : 99-102
Ocular adnexal lymphoma: Five case reports and a literature review
Chui-Lien Tsen1, Muh-Chiou Lin1, Youn-Shen Bee1, Jiunn-Liang Chen1, Ni-Wen Kuo1, Shwu-Jiuan Sheu2
1 Department of Ophthalmology, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
2 Department of Ophthalmology, Kaohsiung Veterans General Hospital; School of Medicine, National Yang-Ming University, Taipei, Taiwan
|Date of Web Publication||10-Jun-2015|
Department of Ophthalmology, Kaohsiung Veterans General Hospital, 386, Ta-Chung 1st Road, Kaohsiung 813, Taiwan
Source of Support: None, Conflict of Interest: None
This article reports the clinical course and treatment of ocular adnexal lymphoma based on a retrospective review of five cases with a histologically approved ocular adnexal lymphoma at Kaohsiung Veterans General Hospital over 10 years. Extranodal B-cell lymphoma in the orbit, lacrimal gland, eyelid, or conjunctiva was found in these patients. Four of them were female, and they were aged 45–64 years. All patients were also consulted with hematologists for possible systemic involvement and therapeutic plan. The patient with retrobulbar and orbital apex involvement received systemic chemotherapy. The patient with lacrimal gland involvement experienced tumor recurrence after local excision, and therefore received adjuvant radiotherapy. The remaining three patients had localized lymphoma on the eyelid or bulbar conjunctiva, and they all showed no recurrence after surgical excision. The incidence of ocular adnexal lymphoma has risen worldwide over the last few decades. Although most cases are confined to ocular adnexal, some may also be associated with disseminated lymphoma. Accurate diagnosis and staging is mandatory for appropriate treatment. Generally speaking, localized and low-grade ocular adnexal lymphoma involved eyelid or conjunctiva seem to have good outcome after surgical excision only. Systemic chemotherapy should be considered in patients with advanced disease or systemic manifestations, and radiotherapy also offers a good choice for lacrimal gland lymphoma.
Keywords: extranodal B-cell lymphoma, mucosa associated lymphoid tissue lymphoma, ocular adnexal lymphoma, ocular manifestations
|How to cite this article:|
Tsen CL, Lin MC, Bee YS, Chen JL, Kuo NW, Sheu SJ. Ocular adnexal lymphoma: Five case reports and a literature review. Taiwan J Ophthalmol 2015;5:99-102
|How to cite this URL:|
Tsen CL, Lin MC, Bee YS, Chen JL, Kuo NW, Sheu SJ. Ocular adnexal lymphoma: Five case reports and a literature review. Taiwan J Ophthalmol [serial online] 2015 [cited 2023 Mar 25];5:99-102. Available from: https://www.e-tjo.org/text.asp?2015/5/2/99/204163
| 1. Introduction|| |
Lymphoma of the ocular adnexa is a heterogeneous group of malignancies, accounting for approximately 1–2% of non-Hodgkin lymphomas and 8% of extranodal lymphomas. In the recent past, there have been significant advances in our understanding of the clinical characteristics, morphology and phenotype, etiology, pathogenesis, diagnosis, natural history, treatment approaches, outcome, and prognostic factors of this disease entity.
Ocular adnexal lymphomas are mostly seen in the 5th to 7th decade of life with female predominance. The most frequently involved site is the orbit (40%), followed by conjunctiva (35–40%), lacrimal gland (10–15%), and eyelid (10%). A large majority of reported cases correspond to the B-cell type, low-grade type and localized disease (Stage I). Five cases ofextranodal B-cell lymphoma involved in different part of ocular adnexa are reviewed in this article.
| 2. Case reports|| |
2.1. Case 1
A 49-year-old man presented with right proptosis with decreased vision (VA: OD: CF/20 cm; OS: 6/5), limited eye movement and afferent pupillary defect in the right eye [Figure 1]A. Orbital magnetic resonance imaging revealed prominent retrobulbar mass involving apical region in the right orbit [Figure 1]B and [Figure 1]C. Orbitotomy was performed and the histologic features of inferior orbital tissue demonstrated high-grade extranodal marginal zone B-cell lymphoma. Neither laboratory analysis nor image study showed evidence of systemic involvement (Stage IE). After discussion with hematologists, a combination regimen of chemotherapy (cyclophosphamide, epirubicin, vincristine, and pred-nisone) was applied. His symptoms improved significantly without complications in the following 5 years [Figure 1]D.
|Figure 1: (A) Case 1: severe exophthalmos, congestion and limited eye movement of the right eye was noted. (B,C) Orbital magnetic resonance imaging showed prominent retrobulbar mass involving apical region in the right orbit causing marked exophthalmos. (D) Case 1 after combination regimens of chemotherapy.|
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2.2. Case 2
A 64-year-old woman was referred to our hospital due to right eyelid swelling and drooping for 1 month. Ophthalmological examination revealed excellent visual acuity (6/6 in both eyes); the anterior segment and fundi showed normal appearance. However, a mass measuring 1.5 cm × 1.0 cm was palpable in the right upper lid [Figure 2]A. Right lacrimal gland tumor was noted from head and neck computed tomography (CT; [Figure 2]B. Based on the CT scan finding, excisional biopsy was performed, and the pathology revealed low-grade, extranodal marginal zone B-cell lymphomas of mucosa-associated lymphoid tissue (MALT). The hematologist suggested observation and follow-up. However, recurrent lid swelling with proptosis was noted 6 months later. Recurrent lym-phoma with involvement of the right lacrimal gland [Figure 2]C, right parotid gland, pretracheal region, cervical, and mediastinal nodes were found on CT scan (Stage II E). Since this was a low-grade lymphoma, debulking of lacrimal gland tumor through right anterior orbitotomy was performed. The patient also underwent adjuvant radiotherapy to the residual tumor with 36 Gy in 18 fractions. There was no local recurrence in the following 6 months, and systemic chemotherapy will be considered if high-grade transformation of lymphoma occurs.
|Figure 2: (A) Case 2 at first visit: right upper lid swelling with a palpable mass. (B) Head and neck computed tomography demonstrated a right lacrimal gland tumor. (C) The follow-up computed tomography scan showed recurrent lymphoma involving the right lacrimal gland 6 months later.|
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2.3. Case 3
A 62-year-old woman noted left lower lid palpable mass for 6 months [Figure 3]. She denied systemic disease or trauma history. The ocular examinations showed normal anterior segment and fundi. The result of excisional biopsy demonstrated low-grade, extranodal marginal zone B-cell lymphomas of MALT. Laboratory data showed normal blood profile, liver panel, and renal function. CCT of head, neck, and whole abdomen showed no evidence of systemic lym-phoma (Stage IE). The postoperative condition was stable without tumor recurrence in the following 6 months.
2.4. Cases 4 and 5
Two 45-year-old female patients presented with orange–red, painless, and progressively enlarging masses over nasal bulbar conjunctiva of the left eyes [Figure 4]A. The past medical history was uneventful and particularly no B-symptoms were reported. The ocular examinations were normal except for the conjunctival masses. Both patients underwent excisional biopsy and the histology also showed low-grade, extranodal marginal zone B-cell lymphomas of MALT. Neither laboratory survey nor image study showed evidence of systemic involvement (stage IE). The conjunctival wounds healed well without tumor recurrence after 1-year follow up postoperatively [Figure 4]B.
|Figure 4: (A) Case 4: an orange–red, painless mass over nasal bulbar conjunctiva of the left eye. (B) The conjunctival wound healed well without tumor recurrence after surgical excision.|
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| 3. Discussion|| |
Most ocular adnexal lymphomas are primary extranodal neoplasms. However, about 10–32% of patients have secondary tumors with systemic lymphoma., The most common subtype is extra-nodular marginal zone lymphoma of MALT (35–80%), followed by follicular lymphoma (20%), diffuse large B-cell lymphoma (8%), and less commonly mantle cell lymphoma, small lymphocytic lym-phoma, and lymphoplasmacytic lymphoma., The initial evaluation of these patients requires careful ophthalmic examination and adequate tissue sampling for histopathological diagnosis. Further assessments for accurate staging and therapeutic planning include thoughtful history taking and physical examination, laboratory studies, serum protein electrophoresis, serum LDH, β2-microglobulin, chest x-ray, bone marrow biopsy, CT of chest, abdomen, and pelvis. Unfavorable prognostic features include advanced stage, old age, nodal involvement, B symptoms (fever, night sweats, and weight loss), performance status > 1, elevated serum LDH or b2-microglobulin levels, and p53 gene expression.
The treatment modalities for the patients with ocular adnexal lymphoma include surgical resection, radiotherapy, single-agent or combined regiments of chemotherapy, monoclonal anti-CD20 antibody, and interferon immunotherapy. Surgical resection is indicated for encapsulated tumors but the risk of recurrence is relatively high. Radiotherapy for localized MALT lymphoma in the ocular adnexa offers excellent local control with a prolonged clinical course. Systemic chemotherapy should be considered in patients with advanced disease or systemic manifestations. Blasi et al suggested that local immunotherapy with IFN-a seems to be an effective and lasting treatment method and provides an alternative to radiotherapy for conjunctival MALT lymphomas.
Antibiotic therapy for ocular adnexal lymphoma has also been proposed. Ferreri et al reported that patients with ocular adnexal lymphoma had a high prevalence of Chlamydia psittaci infection in both tumor tissue and peripheral blood mononuclear cells. However, Chanudet et al reported that C. psittaci is variably associated with ocular adnexal MALT lymphoma in different geographical re-gions. Because of the variable prevalence of C. psittaci infection in patients with ocular adnexal lymphoma, empiric antibiotic therapy without prior testing cannot be generally recommended.
The incidence of ocular adnexal lymphoma, particularly ocular adnexal MALT lymphoma, has risen worldwide over the last few decades. It may present on routine examination or with only mild subjective symptoms. We retrospectively searched our medical record in the last 10 years, and only found these five cases. Four of our cases were low-grade and localized disease, which is comparable with previous reports in the literature. All of our patients were diagnosed by the initial and only presentation of ocular symptoms. Surgical excision alone was performed on Cases 3, 4, and 5, and remained tumor free for 6–12 months, but long-term follow-up is still needed.
In conclusion, no prospective clinical trials have been conducted to define the optimal treatment approach for ocular adnexal lym-phoma, and there are no universally accepted therapeutic guidelines. The final treatment decision requires a multidisciplinary approach, taking into account the histopathological type, the extent of the disease, the impact on the eye or visual function, and disease-related prognostic factors. Although most cases of ocular adnexal lym-phoma were primary extranodal neoplasm, they may also be associated with disseminated lymphoma. Therefore, a rigorous approach to accurate diagnosis and systemic staging is fundamental foroptimal treatment planning and outcome. From our limited cases, we observed a trend that the conjunctival and eyelid lymphoma seemed to have better outcome, but the ocular adnexal lymphoma involved orbits or lacrimal gland demands more vigorous treatment. However, this will need larger patients group to confirm.
Conflicts of interest: The authors do not have any financial conflicts or interests in the subject matter in the manuscript, and do not have any commercial or propriety interests in any products or companies.
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