Publications by authors named "K K Sikka"

Introduction: The notable increase in cases of rhino-orbito-cerebral Mucormycosis during the COVID pandemic is alarming. Both share a common route of entry, the nasal mucosa, leading to speculation about whether similar receptors play a role in both diseases. We aim to compare the expression of ACE2 and TMPRSS2 in the nasal and paranasal sinus tissues among patients with COVID-19-associated Mucormycosis (CAM), COVID-19-negative mucormycosis (CNM), and healthy individuals.

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Background: Ewing sarcoma of the head and neck (ES-HN) is a rare subsite of ES, where therapeutic outcomes need to be explored further.

Methods: This retrospective study includes ES-HN patients registered at our center between 2003 and 2019. Demographic details and treatment outcomes were recorded from the hospital database.

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Background: Invasive fungal sinusitis (IFS) can present as a mild disease to life-threatening infection. A recent surge in cases was seen due to the coronavirus disease 2019 (COVID-19) pandemic. Many patients require surgical debridement and hence imaging [contrast-enhanced computed tomography (CECT) of the paranasal sinuses (PNS)] to document the extent of the disease.

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Purpose: Orocervical (OCF) or pharyngocutaneous fistula (PCF) are one of the disastrous complications of head and neck cancer surgery. Conventional standards of management are predominantly conservative. Though a majority of such patients respond to conservative management, it nevertheless causes significant delay in wound healing.

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Objective: The antifungal audit aimed to evaluate antifungal usage in a tertiary care center. It focused on patient profiles, the appropriateness of antifungal use, associated adverse drug reactions, reasons for suboptimal usage, and the economic burden caused by prolonged non-optimal antifungal use.

Methodology: Conducted at All India Institute of Medical Sciences, New Delhi, India from January 2019 to December 2020, the study evaluated systemic antifungal use in 100 hospitalized adults with invasive fungal infections.

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