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Year : 2020  |  Volume : 11  |  Issue : 4  |  Page : 174-177

Carcinoma glottis with parotid metastasis

Department of Radiation Oncology, Gujarat Cancer and Research Institute, Ahmedabad, Gujarat, India

Correspondence Address:
Dr. Shah Aastha Ashokkumar
Department of Radiation Oncology, Gujarat Cancer and Research Institute, Ahmedabad, Gujarat
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jrcr.jrcr_18_20

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Introduction: Glottic carcinomas represent approximately one third of the laryngeal cancers. True glottis includes both true vocal cords including anterior and posterior commissures. True vocal cord are as such devoid of lymphatics, so the chances of lymph node metastasis as such is very low. The chances of distant metastasis is also very rare. Herein we report a case of glottic cancer metastasising to parotid gland. Case report: A sixty eight year old male non smoker reported to our department with complaint of change of voice since three months. On computed tomography scan of head and neck, soft tissue thickness of about seven millimeter was seen over right true and false vocal cord and 2.3 * 1.9 cm lesion was seen involving the left lobe of the parotid gland. MRI of neck and paranasal sinuses was performed immediately following tomography which showed 2.6*1.9*3.1 cm lesion was seen involving deep lobe of left parotid gland which appeared isointense on T1w, hyperintense on T2w, not suppressed on STIR. There was no any evidence of capsular breach. Seven millimeter thickness was seen over right true and false vocal cord. These findings were further confirmed by direct laryngoscopic examination which showed mucosal irregularity over right true and false vocal cord with normal mobility of both vocal cords and punch biopsy was taken from it which came out to be well differentiated squamous cell carcinoma. Ultrasonography guided biopsy was taken from the deep lobe of the left parotid gland which came out to be metastatic squamous cell carcinoma. Patient was offered curative radiotherapy to a dose of 55 Gy in 20 fractions and the parotid lesion was addressed by parotidectomy, which showed no evidence of malignancy which might be considered to be an abscopal effect. Conclusion: The involvement of the parotid gland in case of glottic cancer is a very rare occurrence.

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