2019
DOI: 10.15406/ijrrt.2019.06.00252
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Keratoacanthomas following definitive volumetric modulated arc radiotherapy for skin field cancerization

Abstract: We describe three cases of keratoacanthomas (KAs) following definitive volumetric modulated arc therapy (VMAT) for skin field cancerisation (SFC). One lesion arose on a back in an area that had received a total of 30.6 Gy in 17 fractions. It first became apparent at 24 days post RT and resolved without treatment by 150 days. The other arose on a nasal alar in the beam penumbra that received 36Gy in 25 fractions, appearing at 57 days and resolving without treatment by 85 days. A third case occurred in an immuno… Show more

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Cited by 8 publications
(6 citation statements)
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“…Tangential use of any beam does, however, increase the penumbra with effect outside the target. 7,8 MV photons can use portal verification films to record and ensure that the dose has been deposited as planned. MV photon treatment fields can be wide, up to 40 x 40cm, which is ideal for ESFC, but skin collimation is not possible.…”
Section: Megavoltage (Mv) Photonsmentioning
confidence: 99%
“…Tangential use of any beam does, however, increase the penumbra with effect outside the target. 7,8 MV photons can use portal verification films to record and ensure that the dose has been deposited as planned. MV photon treatment fields can be wide, up to 40 x 40cm, which is ideal for ESFC, but skin collimation is not possible.…”
Section: Megavoltage (Mv) Photonsmentioning
confidence: 99%
“…This may happen in the penumbra and patients may be so concerned about hair loss that a change in modality or technique becomes necessary. 16 Penumbral issues in skin, like keratoacanthoma 17 and hair pigment change 18 have been reported.…”
Section: Care Of Specific Normal Tissues That May Be In a Radiation V...mentioning
confidence: 99%
“…The skin RO needs to keep up with new treatment modalities and techniques together with their toxicities. 20,21 Simulation then occurs. It is the ROs responsibility to ensure that simulation goes well.…”
Section: Planningmentioning
confidence: 99%