What's the difference between metachronism and prochronism?

Metachronism


Definition:

  • (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.

Example Sentences:

Words possibly related to "metachronism"

Words possibly related to "prochronism"