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Decubitoma: A Pseudosarcoma in Decubitus
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KMID : 0357919960300111060
Abstract
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#ÃÊ·Ï#
Decubitus ulcer is often seen in the skin and underlying tissue of debilitated or
immobilized patients as the result of prolonged pressure and impaired circulation. It
manifests chiefly as an ulcer over bony prominences, but tumefaction is an extremely
unusual presentation. A 53-year old male, a paralytic of the lower extremity for 18
years, developed a recurrent decubital ulcer despite repeated surgical repair, from which
a rapidly growing, large fungating mass grew within a month. The last rejected mass
was bosselated and measured 15¡¿9¡¿3 §¯ with a major area of cicatrix-like induration,
interdigitated with skeletal muscle bundles at the central area. Microscopically, the mass
was composed of an upper half of active granulation tissue layer and a deeper half of
dense, poorly cellular, fibrocollagenous bundles admixed with florid proliferation of
atypical fibroblasts, but the absence of mitosis and the multifocal admixture of active
inflammatory process-granulation tissue formation seemed to help exclude genuine
fibromatosis, nodular fasciitis or proliferative myositis. We assume that this rapidly
growing pseudofibromatosis is an additional manifestation of a prolonged decubitus ulcer,
possibly related to the modified reparative process of decubitus ulcer following repeated
excisions, for which we propose a term of decubitoma.
Å°¿öµå
Decubitus ulcer; Granulation tissue; Decubitoma; Pseudosarcoma;
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