FIELD: medicine.
SUBSTANCE: sonoelastography of unaltered skin and growth is performed. Rigidity - E in kPa is determined in the area of skin growth - Egr and in the unaltered skin locus - EN with subsequent calculation of the relative rigidity index Kgr/N=Egr/EN. With a value of Kgr/N less than or equal to 1.2, a benign growth is diagnosed. With a value of Kgr/N greater than or equal to 1.44, but less than 1.85, an atypical, dysplastic nevus is diagnosed. With a value of Kgr/N greater than or equal to 1.85, but less than 2.6, surface melanoma is diagnosed. With a value of Kgr/N greater than or equal to 2.6, nodular melanoma is diagnosed.
EFFECT: increased accuracy of differential diagnosis of melanocytic skin growths.
12 dwg, 3 tbl, 4 ex
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