The authors evaluated 200 cases of long-term relapses in patients subj
ected to mastectomy at least 8 years before and not given any hormonal
or other therapy that would have significantly affected the course of
the disease, A group of 200 mastectomy patients with early relapses (
within 3 years) was used as a control, The following parameters were c
ompared: hitstologic type, singularity or multiplicity of the relapses
at the time of the diagnosis, the patient's age at the time of the ma
stectomy, the presence of metastatic lymphnodes at the axilla, the cli
nical course of the disease after the diagnosis of relapse, and the pr
esence of estrogen receptors in the primary tumor, There was a signifi
cant higher incidence of lobular histologic type in the group of patie
nts with long-term relapses (p<0.001), The cases with long-term relaps
es showed a relatively lower number of relapses in local-region lymphn
odes (p<0.005) a higher number of cases with metastases to the axillar
y lymphnodes at the time of mastectomy (p<0.001), a better clinical co
urse (survival) after the diagnosis (mean 3 vs 2.6 years), and more ca
ses with estrogen receptors (p<0.001) than controls, Premenopausal or
postmenopausal status at the time of mastectomy was not significant, A
fter a review of the literature, the authors conclude that relapses th
at appear after 8 years from the mastectomy occur almost exclusively i
n patients with a cancer for which the hormonal factor is very importa
nt, They hypothesize that even the 18 cases of the series who were wit
hout estrogen receptors in reality had receptors saturated by circulat
ing estrogens or receptors for other hormones.