MyMedR

Fulltext Orbital myxoma--an unusual cause of inferoorbital mass

Ting SL, Koay CL, Ngo CT, Chieng LL, Chua CN

Med J Malaysia, 2010 Sep;65(3):224-6.

PMID: 21939174

To describe a case of isolated infraorbital mass which had been present for the past 9 years in a young woman. Despite the size, the mass was successfully excised in total.

Matched MeSH terms: Orbital Neoplasms/surgery*

Benign chondroid syringoma of the orbit: an atypical location

Yap JF, Madatang A, Hanafi H

Orbit, 2020 Apr;39(2):135-138.

PMID: 31023118 DOI: 10.1080/01676830.2019.1604766

A 31-year-old male with no known medical illness presented with painless left eye protrusion for the past 2 years. Radiographic features were of an extraconal superior orbital mass with no invasion of adjacent structures. The patient underwent an excisional biopsy of the left superior extraconal mass a week later. The histopathological examination revealed a well-circumscribed lobulated mass with chondroid and myxoid stroma enveloping benign bland-appearing epithelial and myoepithelial cells. These pathological features were consistent with benign chondroid syringoma of the orbit. The patient had an uneventful recovery with no active ocular complaint post-operatively.Despite chondroid syringoma of the orbit being a rare tumour, it should be considered in the differential diagnosis of periorbital masses. Excision of the tumour remains the treatment of choice with histopathological examination as the gold standard of diagnosis. Regular follow-up is warranted in view of possible local recurrence or metastasis.

Matched MeSH terms: Orbital Neoplasms/surgery*

Benign orbital apex tumors treated with multisession gamma knife radiosurgery

Goh ASC, Kim YD, Woo KI, Lee JI

Ophthalmology, 2013 Mar;120(3):635-641.

PMID: 23149128 DOI: 10.1016/j.ophtha.2012.08.015

OBJECTIVE: The orbital apex is an important anatomic landmark that hosts numerous critical neurovascular structures. Tumor resection performed at this complex region poses a therapeutic challenge to orbital surgeons and often is associated with significant visual morbidity. This article reports the efficacy and safety of multisession gamma knife radiosurgery (GKRS) in benign, well-circumscribed tumors located at the orbital apex.

DESIGN: Retrospective interventional case series.

PARTICIPANTS: Five patients with visual disturbances resulting from a benign, well-circumscribed orbital apex tumor (3 cases of cavernous hemangioma and 2 cases of schwannoma).

METHODS: Each patient treated with GKRS with a total radiation dose of 20 Gy in 4 sessions (5 Gy in each session with an isodose line of 50%) delivered to the tumor margin.

MAIN OUTCOME MEASURES: Best-corrected visual acuity, visual field changes, orbital imaging, tumor growth control, and side effects of radiation.

RESULTS: All patients demonstrated improvement in visual acuity, pupillary responses, color vision, and visual field. Tumor shrinkage was observed in all patients and remained stable until the last follow-up. No adverse events were noted during or after the radiosurgery. None of the patients experienced any radiation-related ocular morbidity.

CONCLUSIONS: From this experience, multisession GKRS seems to be an effective management strategy to treat solitary, benign, well-circumscribed orbital apex tumors.

Matched MeSH terms: Orbital Neoplasms/surgery*

Fulltext Secondary mucoepidermoid carcinoma of the orbit

Siuw CP, Tan SW, Abdul Wahid AB, Vasudevan S

Indian J Ophthalmol, 2016 Mar;64(3):238-41.

PMID: 27146939 DOI: 10.4103/0301-4738.181748

A 40-year-old man presented with right eye axial proptosis and ophthalmoplegia for 3 months. Imaging study showed a right intraconal mass with the erosion of the orbital floor. Incisional biopsy revealed mucoepidermoid carcinoma. Nasal endoscopy was normal and systemic tumor screening was negative for a primary source. The patient underwent right orbital exenteration, uncinectomy, nasal and maxillary mucosal biopsy. Malignant cells were found present in the mucosa of maxillary sinus roof and uncinate bone. The postoperative positron emission tomography scan showed residual active lesion in right orbital apex and maxilla but no primary lesion elsewhere. The patient subsequently underwent 35 cycles of postoperative radiotherapy. Primary mucoepidermoid carcinoma of the orbit is rare and typically arises from the lacrimal gland or sac. Those tumors not arising from lacrimal apparatus should be presumed metastatic in origin, and the thorough systemic survey should be undertaken in the search for the primary tumor.

Matched MeSH terms: Orbital Neoplasms/surgery

Endoscopic transnasal approach to medial orbital lesions

Tan SH, Prepageran N

J Laryngol Otol, 2015 Sep;129(9):928-31.

PMID: 26193981 DOI: 10.1017/S0022215115001838

This case report presents our experience of endoscopic transnasal management of medial intra- and extraconal lesions.

Matched MeSH terms: Orbital Neoplasms/surgery*

Orbital rhabdomyosarcoma in an HIV positive child

Khairy-Shamel ST, Shatriah I, Adil H, Zunaina E, Bakiah S, Rohaizan Y, et al.

Orbit, 2008;27(5):388-90.

PMID: 18836940 DOI: 10.1080/01676830802336629

We reported a case of orbital rhabdomyosarcoma with an intracranial extension in an HIV-infected child. It was an uncommon sarcoma in a retroviral-positive patient that resulted in a diagnostic and therapeutic dilemma. The child is currently asymptomatic following surgery, chemotherapy, and reinstitution of highly active retroviral therapy (HAART).

Matched MeSH terms: Orbital Neoplasms/surgery

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