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All Journal Radioterapi & Onkologi Indonesia Indonesian Journal of Cancer
HENRY KODRAT
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Biochemistry, Genetics & Molecular Biology Education Health Professions Immunology & microbiology Medicine & Pharmacology Physics Public Health Other

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Stereotactic Radiosurgery in Recurrent Brain Metastases After Prior Radiosurgery: A Case Report and Review of Literature HENRY KODRAT; RIMA NOVIRIANTHY
Indonesian Journal of Cancer Vol 10, No 4 (2016): October - December 2016
Publisher : National Cancer Center - Dharmais Cancer Hospital

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1045.108 KB) | DOI: 10.33371/ijoc.v10i4.492

Abstract

ABSTRACTPreviously, all brain metastasis has been treated with whole brain radiotherapy and the survival is poor. Recently, the development of stereotactic radiosurgery (SRS) provides comparable efficacy with low toxicity, and in several cases have a better survival compared to historical data. We conducted a case review in brain metastasis, which has been treated with SRS previously and experienced distant brain recurrence, then re-treated with SRS.ABSTRAKDahulu, semua metastasis otak ditangani dengan modalitas radiasi seluruh otak dan memiliki kesintasan yang tidak terlalu baik. Saat ini berkembang modalitas stereotactic radiosurgery (SRS). SRS memberikan efektivitas yang sebanding dengan toksisitas yang rendah dan pada beberapa kasus memiliki kesintasan yang lebih baik dibandingkandata sebelumnya. Berikut adalah tinjauan kasus metastasis otak dengan penanganan SRS sebelumnya dan mengalami kekambuhan di lokasi lain pada otak, kemudian ditatalaksana ulang dengan SRS.
Stereotactic Radiosurgery pada Benign Skull Base Tumor HENRY KODRAT; RIMA NOVIRIANTHY
Indonesian Journal of Cancer Vol 10, No 1 (2016): Jan - Mar 2016
Publisher : National Cancer Center - Dharmais Cancer Hospital

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (337.829 KB) | DOI: 10.33371/ijoc.v10i1.412

Abstract

ABSTRACTTotal removal is difficult to be performed in skull base tumors because its location is surrounded by important structures such as nerves and blood vessels. Therefore, radiotherapy is one of treatment modalities that has been proven efficacy. Simultaneous with the development of imaging technology and advancement of radiobiology, radiosurgery is an emerging therapeutic modality. Radiosurgery is radiotherapy method which delivers high doseirradiation in single fraction. Rational use of stereotactic radiosurgery on benign skull base tumor is from radiobiology point of view; there is no advantage can be achieved from conventional dose fractionated radiotherapy compared with high dose. However, if we want to delivered high dose radiation, we must apply rigid immobilization, target definition using stereotactic navigation and image guidance verification. Radiosurgery can only be delivered in small intracranial lesion.ABSTRAKReseksi total kadang sulit dilakukan pada tumor yang terletak pada dasar tengkorak. Hal ini disebabkan lokasinya dikelilingi oleh struktur saraf dan pembuluh darah penting. Oleh karena itu, radioterapi merupakan salah satu modalitas terapi yang sudah terbukti maanfaatnya. Sejalan dengan perkembangan teknologi pencitraan dan kemajuan pengetahuan radiobiologi, radiosurgery merupakan modalitas terapi yang melejit penggunannya. Radiosurgery adalah metode pemberian radioterapi dengan dosis tinggi dan diberikan dalam fraksi tunggal. Rasional penggunaan stereotactic radiosurgery pada tumor jinak dasar tengkorak adalah karena dari sudut pandang radiobiologi, tidak ada kelebihan dariradioterapi dengan dosis konvensional dibandingkan dengan dosis tinggi. Namun, untuk pemberian dosis tinggi diwajibkan imobilisasi yang rigid dan lokalisasi yang akurat dengan menggunakan navigasi stereotaktik dan verifikasi dengan panduan pencitraan radiologi. Radiosurgery hanya dapat diberikan pada kelainan intrakranial yang berukuran kecil.
Irradiation on Extramedullary Plasmacytoma of Vulva : A case report Tirawan Sutedja; Nana Supriana; Angela Giselvania; Henry Kodrat
Radioterapi & Onkologi Indonesia Vol 13, No 1 (2022): Volume 13 No.1 January 2022
Publisher : Perhimpunan Dokter Spesialis Onkologi Radiasi Indonesia (PORI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32532/jori.v13i1.131

Abstract

Plasma cell neoplasm is a clonal plasma cell malignancy which is the result of B cell differentiation with special characteristics the presence of immunoglobulin secretion. The clinical presentation varies from monoclonal gammopathy to plasma cell leukemia. Only five to six percent of plasma cell neoplasms manifest as plasmacytoma.Solitary extramedullary plasmacytoma (EMP) in the vulva region is a rare case. The current study presents a recurrence case of EMP in left labia minora-vulva in 61-years-old patients who have undergone surgery with a complete response. Radiotherapy was given with a total dose of External Beam Radiotherapy (EBRT) 50.4 Gy and continued with brachytherapy cylinder intravagina five Gy in three fractions. Six months after complete radiation, there was no recurrence, metastasis or progression at follow-up.  
Co-Authors Angela Giselvania Nana Supriana Rima Novirianthy Tirawan Sutedja