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Introduction <p>Integrated evaluation of clinical records, radiologic imaging, and histologic slides was key in the diagnosis of a rare ophthalmic infection such as <i>Dirofilaria repens</i>, an emerging zoonosis in many Mediterranean regions, where it is endemic in cats and dogs and can spread to humans through mosquitos of the genera <i>Anopheles</i>,<i> Aedex</i> and <i>Culex.</i></p> Case report <p>We present the case of a 64-year-old male with a subcutaneous nodule at the right medial canthus. Surgical excision was performed under the clinical suspicion of a sebaceous cyst, and the specimen was submitted for pathological examination. Histological analysis revealed a partially necrotic abscess with numerous eosinophils and multiple cross-sections of the body of a parasite. The integrated evaluation of CT, MRI and histologic sections were consistent with the diagnosis of infestation by a female <i>Dirofilaria repens</i>.</p> Discussion <p>In this report we discussed an illustrative case of <i>Dirofilaria</i> infestation, an uncommon condition, and illustrate the benefits of an integrated approach to the care of ophthalmic lesions. Indeed, direct access to digitalized images of different modalities is beneficial in reducing delays, increasing accuracy, and is beneficial for prompt medical care and accurate diagnosis. The rising incidence and the possibility of serious complications, especially for the less frequent localizations more typical of species other than <i>Dirofilaria repens</i>, translates the need for a more widespread knowledge of these zoonoses.</p>

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Integrated imaging in rare eyelid lesions: a case report of palpebral dirofilariosis

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  • 发表日期：

    2025年10月21日

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  • Luca Tinunin,
  • Filippo Ugolini,
  • Dario Giattini,
  • Nicola Santoro

摘要

Introduction

Integrated evaluation of clinical records, radiologic imaging, and histologic slides was key in the diagnosis of a rare ophthalmic infection such as Dirofilaria repens, an emerging zoonosis in many Mediterranean regions, where it is endemic in cats and dogs and can spread to humans through mosquitos of the genera Anopheles, Aedex and Culex.

Case report

We present the case of a 64-year-old male with a subcutaneous nodule at the right medial canthus. Surgical excision was performed under the clinical suspicion of a sebaceous cyst, and the specimen was submitted for pathological examination. Histological analysis revealed a partially necrotic abscess with numerous eosinophils and multiple cross-sections of the body of a parasite. The integrated evaluation of CT, MRI and histologic sections were consistent with the diagnosis of infestation by a female Dirofilaria repens.

Discussion

In this report we discussed an illustrative case of Dirofilaria infestation, an uncommon condition, and illustrate the benefits of an integrated approach to the care of ophthalmic lesions. Indeed, direct access to digitalized images of different modalities is beneficial in reducing delays, increasing accuracy, and is beneficial for prompt medical care and accurate diagnosis. The rising incidence and the possibility of serious complications, especially for the less frequent localizations more typical of species other than Dirofilaria repens, translates the need for a more widespread knowledge of these zoonoses.