Sept 2, 1968

Department of Amplification

Author Affiliations

Galveston, Tex

JAMA. 1968;205(10):706. doi:10.1001/jama.1968.03140360066028

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To the Editor:—  The article "Coexistent Lymphoma, Adenocarcinoma, and Struma Lymphomatosa," by Dr. Alberto Ayala et al (204:829, 1968) was discussed thoroughly at the University Hospitals Tumor Conference. The patient was treated by external irradiation with electron-beam sources, and later, photon-beam sources with the cobalt teletherapy device after incomplete surgical excision.In this article 4 1/2 lines describe radiation treatment. I would like to amplify and correct this description.This patient was first treated by 25 mev electron beam of betatron and received 4,000 rads at a depth of 7.7 cm through an anterior single treatment portal, 12×14 cm, which covered the entire surface of the anterior part of the neck. Later, the cobalt teletherapy device was used and 2,000 rads, tissue dose, at 5 cm depth was given from the posterior surface of the neck through a 12× 12-cm split-portal. Third, an extra-boosting dose was also given to