PMID: 3759527Oct 1, 1986Paper

Radiation therapy for carcinoma of the pinna using iridium 192 wires: a series of 70 patients

International Journal of Radiation Oncology, Biology, Physics
J J MazeronB Pierquin

Abstract

From January 1970 to November 1982, 70 patients with carcinoma of the pinna were treated by interstitial irradiation. An afterloading technique with Iridium 192 wires was used. One patient recurred and had a total pinnectomy followed by 60 Gy external radiation. This patient was alive without evidence of disease at 134 months. Three patients who had tumors greater than 4 cm in size at presentation developed late necrosis which required subsequent total pinnectomy. Cosmetic results were assessed in 55 patients and were good with few late sequelae (in 78% of cases (36/46) when the tumor measured less than 4 cm, but only in 1/9 when the tumor measured more than 4 cm). We advocate interstitial Iridium 192 irradiation for treatment of pinna tumors smaller than 4 cm. None of 39 patients with squamous cell carcinoma had biopsy proven cervical lymph node metastasis at the time of diagnosis. Four patients with squamous cell carcinoma (4/39: 10%) later developed a regional nodal metastasis after treatment of the pinna. All four relapsed in the parotid region and were managed by partial parotidectomy and neck dissection followed by external irradiation. One of these four patients died from uncontrolled cervical node disease. In our opinio...Continue Reading

References

Mar 1, 1968·Archives of Dermatology·E EpsteinG Linden
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Citations

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Jul 8, 2021·Brachytherapy·Amandeep S TaggarAnna Likhacheva

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