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Title: Intensity-modulated radiation therapy to bilateral lower limb extremities concurrently: A planning case study.
Epworth Authors: Fitzgerald, Emma
Miles, Wesley
Fenton, Paul
Frantzis, Jim
Keywords: Radiation Therapy
Skin Neoplasms
Skin Cancer
Cancer of the Skin
Basal Cell Cancer
Basal Cell Neoplasms
Carcinoma, Basal Cell
Neoplasms, Basal Cell
Carcinoma, Squamous Cell
Squamous Cell Carcinoma
Neoplasms, Squamous Cell
Squamous Cell Cancer
Lower Extremity
Epworth Radiation Oncology, Melbourne, Victoria, Australia
Issue Date: Sep-2014
Publisher: Wiley
Citation: Journal of Medical Radiation Sciences 2014 Vol. 61 (3): p. 210-215
Abstract: Non-melanomatous skin cancers represent 80% of all newly diagnosed cancers in Australia with basal cell carcinoma (BCC) and squamous cell carcinoma (SCC) being the most common. A previously healthy 71-year-old woman presented with widespread and tender superficial skin cancers on the lower bilateral limbs. External beam radiation therapy through the use of intensity-modulated radiation therapy (IMRT) was employed as the treatment modality of choice as this technique provides conformal dose distribution to a three- dimensional treatment volume while reducing toxicity to surrounding tissues. The patient was prescribed a dose of 60 Gy to the planning target volume (PTV) with 1.0 cm bolus over the ventral surface of each limb. The beam arrangement consisted of six treatment fields that avoided entry and exit through the contralateral limb. The treatment plans met the International Commission on Radiation Units and Measurements (ICRU) guidelines and produced highly conformal dosimetric results. Skin toxicity was measured against the National Cancer Institute: Common Terminology Criteria for Adverse Events (NCI: CTCAE) version 3. A well-tolerated treatment was delivered with excellent results given the initial extent of the disease. This case study has demonstrated the feasibility and effectiveness of IMRT for skin cancers as an alternative to surgery and traditional superficial radiation therapy, utilising a complex PTV of the extremities for patients with similar presentations.
DOI: 10.1002/jmrs.57
PubMed URL:
ISSN: 2051-3909
Journal Title: Journal of Medical Radiation Sciences
Type: Journal Article
Type of Clinical Study or Trial: Case Series and Case Reports
Appears in Collections:Cancer Services
Radiation Oncology

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