Publications by authors named "Mithal N"

A 38-year-old patient with a history of non-progressive keratoconus in the left eye presented to us with an uncorrected visual acuity of 20/400, which improved to 20/60 with pinhole. We planned for intracorneal rings segment in the left eye. Postoperatively uncorrected visual acuity improved to 20/30.

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A 38-year-old patient presented to us with complaints of blurred vision and photophobia in the left eye with an uncorrected visual acuity of 20/400, improving to 20/60 with pinhole. The patient underwent phakic iris-claw lens surgery 15 years ago for high myopia. On examination, there was anterior chamber rigid phakic iris-claw lens along with complicated cataract.

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A 21-year-old patient presents to us with complaints of blurred vision and photophobia in the left eye, with an uncorrected visual acuity of 20/100 improving to 20/30 with pinhole and diagnostic rigid gas permeable lens trial. He had a history of trauma with subsequent cataract extraction, with residual irregular astigmatism and traumatic mydriasis. XtraFocus Pinhole intraocular lens (Morcher) was implanted in the left eye.

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Background: The radiotherapy or ibandronate (RIB) trial was a randomized multicenter nonblind two-arm trial to compare intravenous ibandronate given as a single infusion with single-dose radiotherapy for metastatic bone pain.

Methods: Four hundred seventy prostate cancer patients with metastatic bone pain who were suitable for local radiotherapy were randomly assigned to radiotherapy (single dose, 8 Gy) or intravenous infusion of ibandronate (6mg) in a noninferiority trial. Pain was measured using the Brief Pain Inventory at baseline and four, eight, 12, 26, and 52 weeks.

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Introduction: The manual small incision cataract surgery (MSICS) is the surgery of choice in countries with a huge back-log of cataract blindness.

Objective: To evaluate the outcome of manual small incision cataract surgery (MSICS) under topical anesthesia with lignocaine 2 % jelly.

Materials And Methods: This study was a prospective interventional case series.

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Introduction: Rhinosporidiosis may mimic a burst chalazion or a simple conjunctival polyp.

Objective: To study the demography, histopathological evaluation, treatment modalities, their outcomes and recurrence rates in patients clinically and histopathologically diagnosed as ocular and adnexal rhinosporidiosis.

Patients And Methods: The study was conducted in the Department of Orbit, Oculoplasty and Oncology at a tertiary eye care centre in South India.

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Objective: To evaluate the efficacy of lignocaine 2 % jelly as topical anesthesia in pterygium surgery with conjunctival limbal autograft using fibrin glue.

Materials And Methods: A non-randomized interventional study was carried out including twenty-one patients who presented with primary pterygium. Under 2% lignocaine jelly, surgical dissection of the pterygium, scraping of corneal bed with crescent blade, excision of Tenons capsule, harvesting conjunctival limbal autograft superiorly, and securing it with respect to limbus and stromal orientation with fibrin glue were done.

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Background: The role of further hormone therapy in castration-resistant prostate cancer (CRPC) remains unclear. We performed a multi-centre randomised phase III study comparing the use of Dexamethasone, Aspirin, and immediate addition of Diethylstilbestrol (DAiS) vs Dexamethasone, Aspirin, and deferred (until disease progression) addition of Diethylstilbestrol (DAdS).

Methods: From 2001 to 2008, 270 men with chemotherapy-naive CRPC were randomly assigned, in a 1 : 1 ratio, to receive either DAiS or DAdS.

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Pseudomyxoma peritonei.

Clin Oncol (R Coll Radiol)

April 2003

Pseudomyxoma peritonei is a rare form of mucinous ascites associated with peritoneal and omental implants. The origin is controversial, and recent immunohistochemical and molecular genetic evidence suggests the appendix to be the likely site. The condition often presents as an incidental finding at laparotomy.

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Oxidative stress may play a role in the pathogenesis of familial amyotrophic lateral sclerosis (FALS). Superoxide dismutases (SODs) are enzymes that can influence free radical processes in irradiated cells and there is some evidence that manipulation of SODs can affect survival of cells after radiation treatments. SOD-1 associated FALS mutants may have an altered radiation response due to an enhanced generation of hydroxyl radicals or a compromised ability to neutralize free radicals.

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The radiosensitive mutant xrs-6, derived from Chinese hamster ovary cell line CHO-K1, has been demonstrated to be defective in DNA double-strand break repair and also in its proficiency to undergo V(D)J recombination. Recent work has provided both genetic and biochemical evidence that the M(r) 80,000 subunit of the Ku protein is able to complement the radiosensitivity and the V(D)J recombination defect in the xrs-6 mutant. We demonstrate here that complementation of the radiosensitive phenotype in xrs-6 cells by the introduction of Ku80 cDNA is accompanied by the concomitant restoration of DNA double-strand break rejoining proficiency to almost that of the parental CHO-K1 cells, as measured both by neutral single-cell microgel electrophoresis (Comet) technique and by pulsed-field gel electrophoresis.

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Painful bone metastases are a common problem for cancer patients. Although current evidence supports the use of a single fraction of radiotherapy as the treatment of choice, many radiotherapists, for a variety of reasons, continue to use fractionated regimens. Over one six month period 105 patients received external beam irradiation for painful bone metastases at the Royal London Hospital (RLH).

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Purpose: To evaluate the response to reirradiation of painful bone metastases following initial treatment with radiotherapy.

Methods And Materials: A retrospective analysis of 105 consecutive patients treated with palliative radiotherapy for painful bone metastases. A total of 280 individual treatment sites were identified, of which 57 were retreated once and 8 were retreated twice.

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Bone mineral density (BMD) reaches a peak at approximately 30 years of age, and may be influenced by radiotherapy before completion of skeletal maturation. Regional BMD has been measured using dual energy X-Ray absorptiometry (DEXA) in adults following craniospinal irradiation for medulloblastoma between ages 4 and 19 years, receiving doses of 3500-4000 cGy to the brain and spinal cord. Lumbar spine (LS) and was failure to achieve normal adult BMD at both LS and FN, with a mean reduction at LS of 12.

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Two hundred and thirty-seven consecutive patients receiving radiotherapy for primary prostatic carcinoma have been reviewed. The presenting symptoms included acute retention (29%), chronic outflow obstruction (78%) and haematuria (12%). The diagnosis was confirmed at trans-urethral resection of the prostate (TURP) in 95%; all but seven patients had adenocarcinoma.

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