| HISTOPATHOLOGY SECTION - ORIGINAL ARTICLE |
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| Year : 2008 | Volume
: 51
| Issue : 1 | Page : 22-25 |
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Gleason scoring of prostatic carcinoma: Impact of a web-based tutorial on inter- and intra-observer variability
K Mulay, M Swain, S Jaiman, S Gowrishankar
Department of Anatomic Pathology, Apollo Hospitals, Jubilee Hills, Hyderabad, Andhra Pradesh, India
Correspondence Address:
S Gowrishankar
Department of Anatomic Pathology, Apollo Hospitals, Jubilee Hills, Hyderabad - 500 033, Andhra Pradesh
India
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/0377-4929.40385
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A total of 40 cases of prostatic adenocarcinomas were scored independently by four pathologists using the Gleason scoring system. After attending a web-based tutorial, the scoring was repeated by all. Consensus scores were obtained by simultaneous viewing of each case in a multihead microscope by all four pathologists. The scores were then compared. The pretutorial kappa (κ) values ranged from 0.36 to 0.64 with an average of 0.459. After the tutorial, the κ values ranged from 0.44 to 0.678 with the average κ value increasing to 0.538, thus indicating an improvement in the agreement. The intraobserver agreement ranged from 0.435 to 0.788. We conclude that web-based tutorials with emphasis on images developed by experts serve to achieve an uniformity in reporting. |
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