Collagen Features of Dermatofibrosarcoma Protuberans Skin Base on Multiphoton Microscopy

Technology in Cancer Research & Treatment
Shulian WuHui Li

Abstract

Dermatofibrosarcoma protuberans is a rare, low-grade skin fibroblastic tumor which tends to recur locally due to its high misdiagnosis. Dermatofibrosarcoma protuberans usually spreads through the intracutaneous and subcutaneous layers into the deep dermis layer in which the main component is collagen. Therefore, alterations in collagen shape and content are important for accurate diagnosis of dermatofibrosarcoma protuberans. In this study, multiphoton microscopy was employed to observe normal human skin and dermatofibrosarcoma protuberans skin. Then, a centerline based on an algorithm that skeletonizes a binary image of fibers was applied to analyze collagen shapes in 2 types of skin. Then, collagen content, including intensity and density, was quantitatively obtained to demonstrate differences between the 2 skin types. Results indicate that collagen shape and density can be considered as auxiliary diagnostic parameters to improve the accuracy of dermatofibrosarcoma protuberans diagnosis.

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Citations

Jul 25, 2019·Lasers in Surgery and Medicine·Hoonchul ChangKi Hean Kim

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Methods Mentioned

BETA
biopsy
light microscopy
biopsies
confocal microscopy

Software Mentioned

MPM
SPSS
MATLAB

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