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Article
Skin Cancer Prognosis Based on Color Matching and Segmentation of Pigmented Skin Lesion
ألتنبؤ بسرطان ألجلد بالاعتماد على ألتقطیع ومطابقة أللون لصبغة ألورم

Authors: Muthana H. Hamd --- Laith M. Mohamad
Journal: Engineering and Technology Journal مجلة الهندسة والتكنولوجيا ISSN: 16816900 24120758 Year: 2013 Volume: 31 Issue: 12 Part (A) Engineering Pages: 2343-2356
Publisher: University of Technology الجامعة التكنولوجية

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Abstract

This work develops a new computerized vision of skin cancer diagnosis based oncolor matching of pigmented skin lesion and some parameters of ABCD method.Initially, the clinical diagnostic criteria have been translated to mathematicalconcepts. So the lesion edge detection; symmetry; even-symmetry; and segmentationare computed. Then, the suspicious images would be classified into one of threecategories: benign (mole), malignant (melanoma/non-melanoma), or unknown tumorusing image profile information. The remaining malignant images (melanoma, BasalCell Carcinoma, or Squamous Cell Carcinoma) would be further classified usingmatching procedure for color spectrums (Red, Yellow, Brown, Black/Gray) withlesion pigment. The lesion image is segmented into four quarters and the matchingprocedure of 120 spectrums is started searching for better result with mean squarederror less than 0.003. The software has been tested over 40 classified images and itsuccessfully re-classified 92%. This result could be improved if lesion quarters and/orspectrums are increased.


Article
Histopathological Study of BCC in Rizgari Teaching Hospital

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Abstract

This study include (66) case of Basal cell carcinoma (BCC). The age of the patients ranged from (21 – 80) year. The highest percentage of patients was seen related to the age group (61 – 70) year. The total male to female ratio was 1.1:1. The most common histological type was the solid and the most common site of occurrence was the nose. No significant difference was found between site distribution and sex of the patients. The percentage of cases with apparent palisading pattern was (83.1%) and mostly seen related to the solid type. Significant difference was found between peripheral palisading pattern and histological types of BCC. Most cases showed apparent inflammatory reaction, no pigmentation, and involved margin by tumor cells. No significant difference was found between inflammatory reaction, presence of pigmentation, involvement of surgical margins, and histological types of BCC.This study include (66) case of Basal cell carcinoma (BCC). The age of the patients ranged from (21 – 80) year. The highest percentage of patients was seen related to the age group (61 – 70) year. The total male to female ratio was 1.1:1. The most common histological type was the solid and the most common site of occurrence was the nose. No significant difference was found between site distribution and sex of the patients. The percentage of cases with apparent palisading pattern was (83.1%) and mostly seen related to the solid type. Significant difference was found between peripheral palisading pattern and histological types of BCC. Most cases showed apparent inflammatory reaction, no pigmentation, and involved margin by tumor cells. No significant difference was found between inflammatory reaction, presence of pigmentation, involvement of surgical margins, and histological types of BCC.Key wards: Skin cancer, BCC.

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