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Year : 2014  |  Volume : 62  |  Issue : 4  |  Page : 517-520

Eye wall resections for intraocular tumors: Our experience

1 Shri Bhagwan Mahavir Vitreoretinal Services, Sankara Nethralaya, Chennai, Tamil Nadu, India
2 L & T Ocular Pathology Services, Sankara Nethralaya, Chennai, Tamil Nadu, India
3 Cornea and Ocular Surface Disorder Services, Sankara Nethralaya, Chennai, Tamil Nadu, India

Date of Submission19-Mar-2011
Date of Acceptance10-Jan-2012
Date of Web Publication8-May-2014

Correspondence Address:
Vikas Khetan
Shri Bhagwan Mahavir Vitreoretinal Services, Sankara Nethralaya, 18 College Road, Chennai - 600 006, Tamil Nadu
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0301-4738.98823

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We conducted a retrospective review of 11 eyes undergoing eye wall resection between October 1998 and October 2009. The median age of 11 patients was 29 years. Decreased vision (eight) was the most common presenting symptom. Ciliary body medulloepithelioma was the most common clinical diagnosis (six). Medulloepithelioma was the most common histopathological diagnosis (four). The duration of follow-up ranged from 0.5 to 67 months (median 11 months). Three eyes needed to be enucleated in the postoperative period (margin involvement two eyes, recurrence one eye). Postoperative complications among others included retinal detachment (three), vitreous hemorrhage (three), cataract (two), and suprachoroidal hemorrhage (two). To conclude, prognosis of this procedure continues to be guarded needing close postoperative follow-up.

Keywords: Eye tumor, eye wall resection

How to cite this article:
Krishnan T, Gopal L, Biswas J, Padmanabhan P, Khetan V. Eye wall resections for intraocular tumors: Our experience. Indian J Ophthalmol 2014;62:517-20

How to cite this URL:
Krishnan T, Gopal L, Biswas J, Padmanabhan P, Khetan V. Eye wall resections for intraocular tumors: Our experience. Indian J Ophthalmol [serial online] 2014 [cited 2023 Mar 28];62:517-20. Available from: https://journals.lww.com/ijo/pages/default.aspx/text.asp?2014/62/4/517/98823

Management of ciliary body tumors is a challenge. Enucleation is the most common management modality. [1] Other modalities include brachytherapy, transpupillary thermotherapy, and local tumor resection [2],[3],[4],[5],[6],[7] Numerous studies have suggested that local excision might be attempted in cases of small well-circumscribed tumors. [3],[4],[6],[7],[8]

We hereby share our experience of 11 eyes of 11 patients who underwent eye wall resection. This is the first reported series of this management modality from the Indian subcontinent.

  Materials and Methods Top

The patients who underwent eye wall resection between 1998 and 2009 at our center were identified. Retrospective review of these cases was done. The data collected included age, gender, symptoms, signs, best-corrected visual acuity, and intraocular pressure. A note of clinical diagnosis, intraoperative procedures, and postoperative histopathological diagnosis was made. The surgical procedure was performed under hypotensive general anesthesia. After transillumination (to delineate tumor margins), a partial thickness posteriorly hinged scleral flap was raised 3 mm beyond the margins starting from the limbus. Diathermy was performed to the edge of the resection bed. En bloc excision of the tumor was performed through the limbal route. The scleral wound was closed using 8-0 Vicryl, while the corneal wound was closed using 10-0 nylon. In case of vitreous loss, vitrectomy was performed after limited wound closure. Details of postoperative sequelae, procedures, and follow-up duration were noted. IOP and visual acuity were also noted if recordable.

  Results Top

11 patients, of which 5 were males, had undergone eye wall resection at our hospital. The age of the patients varied between 2 and 42 years (median 29 years). Decreased vision was the most common symptom (eight eyes), followed by pain (three eyes) and watering (two eyes).

Corneal examination revealed band shaped keratopathy and endothelial pigmentation in one eye each. Five eyes had iris cysts and two had neovascularization of iris. One eye each had mass in angle, neovascularization of angle, and peripheral anterior synaechiae. Four eyes had retrolenticular membrane.

Ciliary body medulloepithelioma [Figure 1] was the most common clinical diagnosis (six eyes), followed by melanoma and iris cyst (two eyes each) and melanocytoma (one eye).
Figure 1: (a) Ciliary body mass is noted, (b) UBM showed cystic mass, (c) Basophilic mass with heteroplastic elements suggestive of teratoid medulloepithelioma was noted, (d) Giant retinal tear (arrow) was noted postoperatively and operated, (e) Tumor recurrence (arrow) necessitated enucleation

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Medulloepithelioma was the most common histopathological diagnosis (four eyes), followed by leiomyoma and melanoma (two eyes each). Epithelial cyst, juvenile xanthogranuloma and melanocytoma [Figure 2] comprised one case each.
Figure 2: (a) A brownish mass is seen in the angle, (b) Ultrasound biomicroscopy showed a solid ciliary body mass, (c) Histopathology revealed a pigmented mass showing polyhedral cells (d) with rounded nuclei suggestive of melanocytoma, (e) Picture of the eye after surgery

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Additional procedures included vitrectomy in two eyes, lensectomy (one eye), encirclage (one eye), endolaser photocoagulation (two eyes), silicone oil infusion (one eye), C3F8 injection (one eye), cyst removal (one eye), and endocryotherapy (one eye).

The follow-up duration ranged from 0.5 to 67 months (median 11 months). Three eyes needed to be enucleated in the postoperative period (margin involvement two eyes; recurrence one eye). Postoperative complication included RD (three eyes), vitreous hemorrhage (VH) (three eyes), hypotony (three eyes), cataract (two eyes), suprachoroidal hemorrhage (two eyes), and raised IOP (one eye).

  Discussion Top

Numerous studies have evaluated the outcome of eye wall resection. [1],[3],[4],[5],[6],[7],[8] Most of the eyes in these studies had uveal melanoma. [3],[4],[6],[7] Our study, although of a smaller sample size, assessed the outcome over a wider variety of tumors [Table 1] and [Table 2]. Damato et al. have shown that both eye and vision can be preserved in nasally located tumors and those not extending to within 1 disc diameter (DD) of the fovea or optic disc. [8] 57% of such eyes had a visual acuity better than 6/12 at the last follow-up. Gunduz et al. had reported that the mean pre- and postoperative visual acuity at the last follow-up remained stable. [6] We found that the final visual acuity improved in one eye having an epithelial iris cyst and was stable in one case each of leiomyoma and medulloepithelioma. All the other eyes had a worsening of visual acuity. Large tumor (≥16 mm) diameter, posterior tumor extension to 1 DD of the fovea, presence of epitheloid cellularity, and lack of adjunctive plaque therapy are the risk factors for recurrence of tumors after eye wall resection. [1] The average number of clock hours of tumor involvement in a related study was 3.5 which was similar to that of our study (3.6 clock hours). [3] The average tumor dimension in that study was 12.9 × 10.4 × 8.5 while that in our study was 8.55 × 5.57 × 2.9 mm. The lesser dimension could be explained by means of shorter duration of follow-up as well as the tumors being predominantly restricted to the ciliary body. None of our cases underwent adjunctive plaque radiotherapy. The rate of postoperative enucleation due to recurrence ranges from 0 to 15% in various series. [1],[3],[7] Our study had three eyes undergoing enucleation (one recurrence and two margin involvement). This proportion of cases needing enucleation due to recurrence agrees favorably with the literature. Two of the four cases of medulloepithelioma in our series needed enucleation. Medulloepithelioma are known to grow like a sheet thereby needing enucleation subsequently due to recurrence or residual tumor. [9] Two related studies have described a rate of metastasis ranging from 5 to 13%. [1],[7] However, our study as well as the study by Gunduz et al. did not have any metastasis. This could be the result of smaller period of follow-up as well as a different tumor spectrum. The postoperative rates of cataract (18%), VH (27%), and RD (27%) in our series were within the range noted in the previous studies, i.e., 15-50% for cataract, 9-83% for VH, and 28-30% for RD, respectively. [3],[6],[7],[8] Two of our cases were treated with prophylactic barrage LASER photocoagulation before eye wall resection and did not develop RD. Such a prophylactic therapy may offer some protection.
Table 1: Eye wall resection for intraocular tumors- Patient details

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Table 2: Comparative evaluation of different studies conducted on eye wall resection

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The choice of eye wall resection compared with plaque radiotherapy is an unresolved question. A retrospective comparative study comparing the outcomes of transcleral resection with that of I-125 plaque brachytherapy found better outcomes in terms of visual acuity and glaucoma in cases undergoing transcleral resection. [2] Shields et al. preferred plaque radiotherapy in eyes with larger tumor thickness, juxtapapillary and subfoveal lesions while Damato et al. preferred eye wall resections. [10]

  Conclusion Top

Eye wall resection may help salvage a few eyes with ciliary body tumors.

  References Top

Damato BE, Paul J, Foulds WS. Risk factors for residual and recurrent uveal melanoma after trans-scleral local resection. Br J Ophthalmol 1996;80:102-8.  Back to cited text no. 1
Bechrakis NE, Bornfeld N, Zoller I, Foerster MH. Iodine 125 plaque brachytherapy versus transscleral tumor resection in the treatment of large uveal melanomas. Ophthalmology 2002;109:1855-61.  Back to cited text no. 2
Char DH, Miller T, Crawford JB. Uveal tumour resection. Br J Ophthalmol 2001;85:1213-9.  Back to cited text no. 3
Damato B, Foulds WS. Indications for trans-scleral local resection of uveal melanoma. Br J Ophthalmol 1996;80:1029-30.  Back to cited text no. 4
Damato BE, Foulds WS. Ciliary body tumours and their management. Trans Ophthalmol Soc U K 1986;105(Pt 2):257-64.  Back to cited text no. 5
Kurt RA, Gunduz K. Exoresection via partial lamellar sclerouvectomy approach for uveal tumors: A successful performance by a novice surgeon. Clin Ophthalmol 2010;4:59-65.  Back to cited text no. 6
Shields JA, Shields CL, Shah P, Sivalingam V. Partial lamellar sclerouvectomy for ciliary body and choroidal tumors. Ophthalmology 1991;98:971-83.  Back to cited text no. 7
Damato BE, Paul J, Foulds WS. Predictive factors of visual outcome after local resection of choroidal melanoma. Br J Ophthalmol 1993;77:616-23.  Back to cited text no. 8
Shields JA, Eagle RC Jr, Shields CL, Potter PD. Congenital neoplasms of the nonpigmented ciliary epithelium (medulloepithelioma). Ophthalmology 1996;103:1998-2006.  Back to cited text no. 9
Shields JA. Local resection of posterior uveal melanoma. Br J Ophthalmol 1996;80:97-8.  Back to cited text no. 10


  [Figure 1], [Figure 2]

  [Table 1], [Table 2]


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