Paediatric Integrated Cancer Service Annual Report 2010-11

Mask constructionOne of the old methodsof mask constructionStep 1The wet plaster bandages are draped overthe head and neck, making a mould. Thechild has to stay still for up to 20 minuteswhile the plaster hardens, warms up anddries. Only a small space is left for the childto breathe.Step 3After the plaster dries, the mould isprepared for moulding and left overnightto dry.Day: 4-5Duration: 24 hours minimum to dry+ 4 hours preparationStep 4Day: Between 2 and 3 days from referralDuration: The moulding of the plastertakes up to 45 minutes, but the GA meansthe visit takes up to 2.5 hours and requiresover 5 hours of fastingStep 2After the plaster mould is removed from theface, the mould is filled with liquid plaster.Day: 3- 4Duration: 1.5 hoursThe plastic is heated up and mouldedonto the plaster cast and then the maskis prepared for fitting to the patient.Day: 5-6Duration: 2.5 hoursStep 5The mask is ready for the radiation therapyprocess to commence.Day: 6Step 1Step 3Step 2Step 4* Please note the illustrations of methodconstruction are examples and estimatesof the steps and timeframes involved andwill vary with individual cases.22Paediatric Integrated Cancer Service (PICS) Annual Report 2010-2011