5 research outputs found
Radiotherapy for Splenomegaly
Radiotherapy for massive, symptomatic splenomegaly has been used in a palliative setting since the early
1990’s. Massive splenomegaly may be seen in CML, CLL, hairy cell leukemia and splenic marginal zone
lymphomas, prolymphocytic leukemia, myeloproliferative disorders such as polycythaemia rubra, polycythaemia vera or essential thrombocytosis or myelofibrosis.
Splenic radiation therapy has been shown to be effective in palliation of the signs and symptoms due to
massive splenomegaly.
We present here one such case of myelofibrosis where the patient was treated with radiotherapy to the
spleen for symptomatic relief. The patient achieved excellent response to the treatment.
Key Words: Hematological conditions, massive splenomegaly, palliative radiotherapy
Radiotherapy for Benign Diseases
Radiotherapy mainly involves treatment of patients with malignant tumors. Even with recognition of the risks of late skin injury, carcinogenesis, leukemogenesis, and genetic damage from all ionizing radiation; radiation therapy also continues to be accepted treatment for benign diseases. Before initiation, the quality of irradiation, total dose, overall time, underlying organs at risk, and shielding factors should be considered. Children should be treated with ionizing radiation only in very exceptional cases and after weighing the pros and cons of the therapy. Direct irradiation of skin areas overlying organs that are particularly prone to late effects (e.g. thyroid, eye, gonads, bone marrow and breast) should be avoided. Radiation protection techniques should be used in all instances. The depth of penetration of the x-ray beam should be chosen according to the depth of the pathologic process. Choice of beam energy usually depends on the depth of the target volume; every effort is made to spare normal underlying tissue in superficial lesions. There are a number of other benign conditions that can be treated with radiotherapy; we present a brief overview of some of the commonly encountered conditions.
JNMA J Nepal Med Assoc. 2008 Jul-Sep;47(171):151-155
curative interstitial BracHytHeraPy For early stage carcinoma liP
Brachytherapy is potentially useful in the treatment of head-and-neck cancers, because most tumor
sites, such as the lip, tongue, floor of mouth, tonsil, pharynx, nasopharynx, sinuses, and neck, are
accessible for the placement of afterloading applicators and catheters.
1
It has the advantage of delivering a higher radiation dose to the tumor while sparing surrounding
normal tissue from radiation. Furthermore, the overall treatment duration is shorter, and the dose
distribution confirms to tumor shape.
Brachytherapy is used as “monotherapy” for the treatment of small primary tumors or recurrent
disease after external beam radiation therapy (EBRT).
Small cancers of the lip (less than 2 cm) are treated equally well with surgery or radiation
therapy with excellent cosmetic and functional results seen in radiation therapy.
2
We treated an 18-year old male diagnosed as stage I carcinoma lip with curative interstitial brachy-therapy. He was treated to a dose of 3 Gy per fraction, two fractions per day at interval of 6 hours
between the two fractions for 6 days. He therefore received a total dose of 36 Gy with High Dose
Rate (HDR) Brachytherapy, which is equivalent to 58.36 Gy conventional radiotherapy dose.
At two months follow, the patient is clinically disease free and has no complaints.
Key Words: Radiation Therapy, Interstitial Brachytherapy, Carcinoma Lip, Curative Treatment
curative interstitial BracHytHeraPy For early stage carcinoma liP
Brachytherapy is potentially useful in the treatment of head-and-neck cancers, because most tumor
sites, such as the lip, tongue, floor of mouth, tonsil, pharynx, nasopharynx, sinuses, and neck, are
accessible for the placement of afterloading applicators and catheters.
1
It has the advantage of delivering a higher radiation dose to the tumor while sparing surrounding
normal tissue from radiation. Furthermore, the overall treatment duration is shorter, and the dose
distribution confirms to tumor shape.
Brachytherapy is used as “monotherapy” for the treatment of small primary tumors or recurrent
disease after external beam radiation therapy (EBRT).
Small cancers of the lip (less than 2 cm) are treated equally well with surgery or radiation
therapy with excellent cosmetic and functional results seen in radiation therapy.
2
We treated an 18-year old male diagnosed as stage I carcinoma lip with curative interstitial brachy-therapy. He was treated to a dose of 3 Gy per fraction, two fractions per day at interval of 6 hours
between the two fractions for 6 days. He therefore received a total dose of 36 Gy with High Dose
Rate (HDR) Brachytherapy, which is equivalent to 58.36 Gy conventional radiotherapy dose.
At two months follow, the patient is clinically disease free and has no complaints.
Key Words: Radiation Therapy, Interstitial Brachytherapy, Carcinoma Lip, Curative Treatment