To the Editor: Rabkin et al. (April 3 issue)1 studied multiplebiopsy specimens from eight patients with Kaposi's sarcoma andclaim that Kaposi's sarcoma begins as a clonal disease at somespecific site, circulates in the blood, and implants itselfat multiple sites in the skin to produce multicentric disease.The unbalanced methylation pattern at the androgen-receptorlocus in Kaposi's sarcoma lesions provides the evidence fortheir view.
We are concerned about some of the authors' technical procedures.They do not provide results of amplification by the polymerasechain reaction with androgen-receptor primers and undigestedDNA, to ensure that the . . . [Full Text of this Article]
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