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Table 2 Treatment characteristics for 33 extramedullary plasmocytoma lesions

From: Impact of radiation dose on local control and survival in extramedullary head and neck plasmacytoma

Characteristic Value Percentage/range
Treatment parameters
 Med. radiation dose (range), Gy 45 12–55.8
   ≤ 45 Gy 18/33 55%
   > 45 Gy 15/33 45%
 Med. fraction dose (range), Gy 2 1.8–4.0
 Med. treatment time, d 35 4–52
Sites of RT
 Nasal/paranasal 10/33 30%
 Pharynx 6/33 18%
 Orbital/epidural 6/33 18%
 Cervical 6/33 18%
 Cutaneous/muscular 5/33 16%
Type of RT
 Postoperative 11/33 33%
 Definitive 22/33 67%
RT technique
 IMRT 14/33 42%
 CRT 19/33 58%
Bone erosion
 Yes 13/33 40%
 No 14/33 42%
 Unknown 16/33 18%
Local response
 Complete response 14/33 43%
 Partial response 11/33 33%
 Stable 1/33 3%
 Progression 3/33 6%
 Unknow 5/33 15%
  1. Med median, CRT conventional radiotherapy, CTX chemotherapy, RT radiotherapy, IMRT intensity-modulated radiotherapy