American journal of obstetrics and gynecology · 1993
Ovarian cortex surrounding benign neoplasms: a histologic study.
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Maneschi F, Marasá L, Incandela S, Mazzarese M, Zupi E
Аннотация
OBJECTIVE: Our purpose was to assess the functional morphologic features of the ovarian cortex surrounding benign cysts.
STUDY DESIGN: Fifty-four specimens (13 mature teratomas, nine benign cystadenomas, and 32 endometriomas) were obtained from the area of maximum distention of the ovarian cortex overlying benign cysts from 48 patients. The type and number of follicles were scored on a semiquantitative scale (0 to 4). Alterations of the cortical stroma that were related to the primary tumor were investigated. The vascular network was assessed by means of monoclonal antibodies directed against endothelial cells (anti-VW, QBEND/10) and scored on a scale from 0 to 2. The chi 2 and Mann-Whitney U test were used for statistical analysis.
RESULTS: Morphologic patterns similar to those of the normal ovarian cortex were observed in the cortical tissue surrounding mature teratomas, benign cystomas, and endometriomas in 92%, 77%, and 19% (p < 0.01) of specimens, respectively, and a regular vascular network was observed in 84%, 78%, and 22% (p < 0.01). Although microscopic endometriosis was observed surrounding the endometrioma in the stroma of 82% of specimens, stromal alterations related to the ovarian tumor were absent in the cortex surrounding mature teratomas and cystadenomas.
CONCLUSIONS: The study shows that the ovarian cortex, which is stretched and thinned by the growth of a benign tumor, is not morphologically altered in the presence of teratomas or benign cystadenomas. Endometriomas are associated with microscopic stromal implants and reduced follicular number and activity.
STUDY DESIGN: Fifty-four specimens (13 mature teratomas, nine benign cystadenomas, and 32 endometriomas) were obtained from the area of maximum distention of the ovarian cortex overlying benign cysts from 48 patients. The type and number of follicles were scored on a semiquantitative scale (0 to 4). Alterations of the cortical stroma that were related to the primary tumor were investigated. The vascular network was assessed by means of monoclonal antibodies directed against endothelial cells (anti-VW, QBEND/10) and scored on a scale from 0 to 2. The chi 2 and Mann-Whitney U test were used for statistical analysis.
RESULTS: Morphologic patterns similar to those of the normal ovarian cortex were observed in the cortical tissue surrounding mature teratomas, benign cystomas, and endometriomas in 92%, 77%, and 19% (p < 0.01) of specimens, respectively, and a regular vascular network was observed in 84%, 78%, and 22% (p < 0.01). Although microscopic endometriosis was observed surrounding the endometrioma in the stroma of 82% of specimens, stromal alterations related to the ovarian tumor were absent in the cortex surrounding mature teratomas and cystadenomas.
CONCLUSIONS: The study shows that the ovarian cortex, which is stretched and thinned by the growth of a benign tumor, is not morphologically altered in the presence of teratomas or benign cystadenomas. Endometriomas are associated with microscopic stromal implants and reduced follicular number and activity.