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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Do I Need A Radiation Therapy For B3 Variant After Thymectomy?

my mother recently had thymectomy,her biopsy report came as stage 1 BUT B3/b2 VARIANT....she had a myasthenia crisis postop and on ventilator now....based on staging and histology variant as B3 is consuidered to be a invasive variant..did she require radiation therapy..kindly help me sir
posted on Fri, 14 Mar 2014
Twitter Mon, 26 May 2014 Answered on
Twitter Tue, 27 May 2014 Last reviewed on
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Oncologist,  's  Response
Stage 1 thymoma is one which is completely encapsulated without any trans-capsular invasion or extension. Completely resected stage 1 thymoma does not require post-operative radiation therapy even in B2/B3 histological subtype. Radiation therapy is required in incomplete resection, margin positive disease on histopathology report, stage 2 to 4 disease or in thymic carcinoma.
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Do I Need A Radiation Therapy For B3 Variant After Thymectomy?

Stage 1 thymoma is one which is completely encapsulated without any trans-capsular invasion or extension. Completely resected stage 1 thymoma does not require post-operative radiation therapy even in B2/B3 histological subtype. Radiation therapy is required in incomplete resection, margin positive disease on histopathology report, stage 2 to 4 disease or in thymic carcinoma. I hope your query has been answered. If you any further question I will be happy to answer. Thankyou for choosing Healthcare Magic.