Publications by authors named "Nongnart Chan"

A 72-year-old man presented with a 2-year history of epiphora. CT revealed an extensive inferomedial orbital tumor connected to the lacrimal sac and duct. Incisional biopsy revealed malignant oncocytoma of the lacrimal sac.

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Purpose: To detect Chlamydia pneumoniae (C. pneumoniae) gene in a patient with bilateral orbital musoca-associated lymphoid tissue (MALT) lymphoma.

Design: Interventional case report.

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The authors report the formation of a subtenon cyst following subtenon triamcinolone injection for chronic recurrent uveitis in Behçet's disease. The steroid was inadvertently placed superficially in the anterior subtenon space and was encapsulated eventually to present as a subtenon cyst. The episode of uveitis recurrence, which did not regress, required treatment with a repeat posterior subtenon injection 2 months later.

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Langerhans cell histiocytosis is a disorder characterized by the proliferation of histiocytes of the mononuclear phagocyte system. Cutaneous Langerhans cell histiocytosis can develop as a solitary lesion or more frequently as part of a multisystem disease. This report describes a case of cutaneous Langerhans cell histiocytosis affecting the eyelids, resulting in a coloboma-like defect.

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Cholesteatomas, also known as epidermal cholesterol cysts, are unusual cystic lesions containing numerous cholesterol clefts that are usually found in the orbits in the ophthalmic setting. This report describes the clinical and microscopic features of an unusual cholesteatoma in the eyelid.

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A 29-year-old man presented with a painful, rapidly growing mass in the right upper eyelid. Ophthalmic and systemic examinations and results of laboratory investigations were all normal. CT revealed a mass in the right lacrimal region with surrounding bone destruction, which was suggestive of a malignant lacrimal gland tumor.

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An 8-month-old Chinese girl with linear nevus sebaceous syndrome had a right upper lid coloboma and right superior scleral ectasia. At 20 months old, successful surgical repair of the lid coloboma was performed with particular attention paid to the sclera ectasia.

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Purpose: To evaluate the clinical outcome and quantify histologically the amount of microscopic internal limiting membrane (ILM) and epiretinal membrane (ERM) present in ILM and ERM specimens obtained from ERM surgery.

Design: Interventional consecutive case series.

Methods: Patients scheduled for ERM surgery were recruited prospectively.

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: We describe a modified lateral orbitotomy for intact removal of a dumbbell dermoid cyst involving the frontozygomatic suture. The clinical features and surgical treatment of the case are discussed.

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Purpose: To report the location of premacular hemorrhage in Valsalva retinopathy and epiretinal membrane formation with internal limiting membrane (ILM) wrinkling after neodymium;yttrium-aluminum-garnet (Nd:YAG) laser membranotomy.

Design: Interventional case report.

Methods: A 35-year-old man with a massive premacular hemorrhage due to Valsalva retinopathy underwent Nd:YAG laser membranotomy.

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We describe a case of isolated bilateral microspherophakia with optic disc colobomata. A satisfactory outcome was achieved following uneventful lensectomy and scleral fixation of an intraocular lens.

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Purpose: To describe the use of postoperative topical mitomycin C (MMC) in the treatment of recurrent conjunctival papilloma.

Methods: Case report.

Results: We report a 26-year-old man with recurrent conjunctival papilloma despite repeated surgical excision, cauterization, and cryotherapy.

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