(n.) An error committed in chronology by placing an event after its real time.
Example Sentences:
(1) Nine anastomotic recurrences were detected in the 12-30 month interval; none was reoperated for cure; however, 4 metachronous colon cancers were found and resected for cure.
(2) Twenty of the lung cancers were synchronous and 47 were metachronous after head and neck cancer.
(3) Two recurrent and two metachronous carcinomas were detected.
(4) In the analysis of metachronous adenomas, 164 patients who had been followed for 1 to 11 years (mean, 3.31 years) were included.
(5) Patients with metachronous tumors were 5 years younger and more likely to have a family history of breast cancer than those patients with synchronous cancers.
(6) A special problem is iso- and metachronic multiplicity.
(7) Lateral cilia of freshwater mussel gills, which normally beat with metachronal rhythm, are arrested pointing frontally by perfusion with 6.25 to 12.5 millimolar calcium and 10(-5) molar A23187, a calcium ionophore.
(8) There were 10 synchronous and 20 metachronous cases.
(9) The paper analyses the results of a large number of patients operated for large intestine carcinoma who then underwent a postoperative endoscopic follow-up to assess the number of metachronous tumours.
(10) Metachronous liver metastasis developed less than in 5% of v0 and v1 groups, while it developed in 22% of v2 and v3 groups.
(11) The early metachronous carcinoma could be detected by fiberendoscopy during follow-up.
(12) In an eight-year, ongoing study of 120 patients, 39 with carcinomas and 81 with adenomas, no patient has produced a new carcinoma despite a high incidence of metachronous adenomas.
(13) In 4 out of 5 patients the breast tumor was the initial tumor discovered, and in 4 out of 5 the second tumor evolved metachronously.
(14) A retrospective analysis of 7605 patients with cancer treated between 1958 to 1982 revealed that the colorectum was the site of metachronous primary in 38 patients (15 males and 23 females).
(15) It had a benign course, characterized by synchronous and metachronous multicentricity, rather than local recurrence.
(16) Contralateral breast cancer was recorded in 44 cases and the incidence of further metachronous cancer to the other breast was ten times higher than expected in normal breasts.
(17) Between 1975 and 1988, 37 patients with resectable non-small cell lung cancer (NSCLC) and synchronous (within 1 month, n = 10) or metachronous (n = 27) solitary brain metastasis (SBM) underwent combined excision of their lesions.
(18) No significant differences were found in ploidy and mean DNA index between index adenomas and metachronous adenomas of the Group II patients.
(19) There was no significant difference in age, locoregional stage (TN), or histologic features in patients with synchronous versus metachronous lesions.
(20) The interval between diagnosis of HD and metachronous lung cancer averaged seven years but appeared to vary inversely with age.
Prochronism
Definition:
(n.) The dating of an event before the time it happened; an antedating; -- opposed to metachronism.