Results obtained by using a computerized image analysis system designed as an aid to diagnosis of cutaneous melanoma.

Abstract:

:Results obtained using a computerized image analysis system as an aid to clinical diagnosis of melanoma are reported. The system comprises a colour television camera connected through a digitizing board to a 386 personal computer. By means of original algorithms able to measure the shape, the colours and texture of a pigmented lesion of the skin, the system provides eight on/off indicators that are matched with the histological diagnosis to identify benign and malignant pigmented lesions. The chances that a given lesion is malignant increase with the increasing number of positive indicators. The training field of the system was constituted of images and data of 169 cutaneous lesions in 165 patients. Taking two positive indicators as the threshold between pigmented benign and malignant lesions, the efficiency of the system is 0.98, the positive predictive value is 0.45 and the negative predictive value is 0.95. These values were confirmed in a series of 44 pigmented lesions, 10 of which were melanoma, that constitute the present test series. The authors conclude that this computerized image analysis system should be regarded as a useful aid to diagnosis for a non-expert clinician. The system limit is transformation within a naevus.

journal_name

Melanoma Res

journal_title

Melanoma research

authors

Cascinelli N,Ferrario M,Bufalino R,Zurrida S,Galimberti V,Mascheroni L,Bartoli C,Clemente C

doi

10.1097/00008390-199209000-00004

subject

Has Abstract

pub_date

1992-09-01 00:00:00

pages

163-70

issue

3

eissn

0960-8931

issn

1473-5636

journal_volume

2

pub_type

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