Radiotherapy performed on five cases of rectal and anal malt lymphoma - Study of multicenter (Okayama conference of radiation oncology: Ocro Group) Cases -

Hiromichi Yamamoto; Shuichi Moriwaki; Hiroaki Furuya; Mitsuhiro Takemoto; Norihisa Katayama; Kuniaki Katsui; Susumu Kanazawa; Mitsumasa Kaji; Michiko Kawahara; Mamoru Fujishima; Masahiro Mitani

Radiotherapy performed on five cases of rectal and anal malt lymphoma - Study of multicenter (Okayama conference of radiation oncology: Ocro Group) Cases -

Hiromichi Yamamoto, Shuichi Moriwaki, Hiroaki Furuya, Mitsuhiro Takemoto, Norihisa Katayama, Kuniaki Katsui, Susumu Kanazawa, Mitsumasa Kaji, Michiko Kawahara, Mamoru Fujishima, Masahiro Mitani

Research output: Contribution to journal › Article › peer-review

Abstract

Rectal mucosa associated with lymphoid tissure (MALT) lymphoma is mainly treated by operation, endoscopic mucosal resection (EMR) and eradication of Helicobactor pylori (H. pylori), while only few cases are treated by radiotherapy. The OCRO (Okayama Conference of Radiation Oncology) group performed radiotherapy on five cases of rectal and anal MALT lymphoma performed radiotherapy. This is our report on these five cases with prognosis. Five cases are all female and stage I_EA (Ann Arbor staging classification). Four had been are treated by other therapeutic procedure (eradication etc.) before radiotherapy. Radiotherapy was performed 30-36 Gy (total dose) with slightly extended small pelvic field without one case (extended local field). No severe adverse effects were experienced. Three cases of rectal pure MALT lymphoma of stage I survived over five years without recurrence. If eradication of H. pylori is not effective to rectal MALT lymphoma of stage I, our study suggests radiotherapy is one of the good therapeutic procedures for rectal (and anal) MALT lymphoma.

Original language	English
Pages (from-to)	163-166
Number of pages	4
Journal	Journal of JASTRO
Volume	20
Issue number	4
Publication status	Published - Dec 2008

Keywords

Eradication of Helicobacter pylori
Radiotherapy
Rectal and anal MALT lymphoma

ASJC Scopus subject areas

Radiology Nuclear Medicine and imaging
Oncology

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Radiotherapy performed on five cases of rectal and anal malt lymphoma - Study of multicenter (Okayama conference of radiation oncology : Ocro Group) Cases -. / Yamamoto, Hiromichi; Moriwaki, Shuichi; Furuya, Hiroaki; Takemoto, Mitsuhiro; Katayama, Norihisa; Katsui, Kuniaki ; Kanazawa, Susumu; Kaji, Mitsumasa; Kawahara, Michiko; Fujishima, Mamoru; Mitani, Masahiro.

In: Journal of JASTRO, Vol. 20, No. 4, 12.2008, p. 163-166.

Research output: Contribution to journal › Article › peer-review

Yamamoto, Hiromichi ; Moriwaki, Shuichi ; Furuya, Hiroaki ; Takemoto, Mitsuhiro ; Katayama, Norihisa ; Katsui, Kuniaki ; Kanazawa, Susumu ; Kaji, Mitsumasa ; Kawahara, Michiko ; Fujishima, Mamoru ; Mitani, Masahiro. / Radiotherapy performed on five cases of rectal and anal malt lymphoma - Study of multicenter (Okayama conference of radiation oncology : Ocro Group) Cases -. In: Journal of JASTRO. 2008 ; Vol. 20, No. 4. pp. 163-166.

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abstract = "Rectal mucosa associated with lymphoid tissure (MALT) lymphoma is mainly treated by operation, endoscopic mucosal resection (EMR) and eradication of Helicobactor pylori (H. pylori), while only few cases are treated by radiotherapy. The OCRO (Okayama Conference of Radiation Oncology) group performed radiotherapy on five cases of rectal and anal MALT lymphoma performed radiotherapy. This is our report on these five cases with prognosis. Five cases are all female and stage IEA (Ann Arbor staging classification). Four had been are treated by other therapeutic procedure (eradication etc.) before radiotherapy. Radiotherapy was performed 30-36 Gy (total dose) with slightly extended small pelvic field without one case (extended local field). No severe adverse effects were experienced. Three cases of rectal pure MALT lymphoma of stage I survived over five years without recurrence. If eradication of H. pylori is not effective to rectal MALT lymphoma of stage I, our study suggests radiotherapy is one of the good therapeutic procedures for rectal (and anal) MALT lymphoma.",

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