In a move to update a collection of medical slide images and improve access to high-quality medical images for postgraduate teachers at the Institute of Child Health and Great Ormond Street Hospital for Children, a new collection of scanned slide images was created on Kodak Photo CD discs. Each image was available in five different resolutions. The images were catalogued in an image database by diagnosis, date, patient registration number, and anatomical view. Images could be accessed using simple search protocols and output to digital files, slides or prints.
Digital cameras have been used for clinical photography in the Medical Illustration Department at Great Ormond Street Hospital NHS Trust for eight years. In that time methods have evolved to take advantage of both technological advances and experiences gained in operating a routine digital photographic service. The management of a large number of digital images requires assiduous attention to all stages of production. Current techniques are described for: controlling quality and exposure in the acquisition of images with a digital camera; temporary and permanent storage, backing up and archiving procedures; and cataloguing of clinical images. Planning for network delivery, the Electronic Patient Record and the management of images in teaching collections are discussed.
A system is described for the coding of medical photographs using the Commission for Professional and Hospital Activities' 'International Classification of Diseases with Clinical Modification'; ICD-9.CM. Methods of indexing, cross-indexing and the application of coding criteria are discussed with reference to examples. Some atypical coding situations are discussed.
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