What's the difference between occurrence and recurrence?

Occurrence


Definition:

  • (n.) A coming or happening; as, the occurence of a railway collision.
  • (n.) Any incident or event; esp., one which happens without being designed or expected; as, an unusual occurrence, or the ordinary occurrences of life.

Example Sentences:

  • (1) By presenting the case history of a man who successively developed facial and trigeminal neural dysfunction after Mohs chemosurgery of a PCSCC, this paper documents histologically the occurrence of such neural invasion, and illustrates the utility of gadolinium-enhanced magnetic resonance scanning in patient management.
  • (2) Hypothyroidism complicated by spontaneous hyperthyroidism is an interesting but rare occurrence in the spectrum of autoimmune thyroid disorders.
  • (3) We therefore enumerated the percentage of Leu2a+ cells as well as the occurrence of HLA-DR activation markers within this population.
  • (4) Several interpretations of the results are examined including the possibility that the effects of Valium use were short-lived rather than long-term and that Valium may have been taken in anticipation of anxiety rather than after its occurrence.
  • (5) In addition to the phase diagrams reported here for these two binary mixtures, a brief theoretical discussion is given of other possible phase diagrams that may be appropriate to other lipid mixtures with particular consideration given to the problem of crystalline phases of different structures and the possible occurrence of second-order phase transitions in these mixtures.
  • (6) The authors followed up the occurrence of inflammation-mediated osteopenia (IMO) in young and adult rats weighing 50 g and 150 g, respectively.
  • (7) The methodology, in algorithm form, should assist health planners in developing objectives and actions related to the occurrence of selected health status indicators and should be amenable to health care interventions.
  • (8) The occurrence of episodes of desaturation during sleep in patients suffering from chronic airflow obstruction is well known.
  • (9) A striking feature of BEN is the familial occurrence of the disease.
  • (10) On the basis of mathematical models of the obtained dose-time-effect relationship, the risk of cancer occurrence due to small carcinogen doses is predicted.
  • (11) In this study, bacterial flora, especially the occurrence of A. actinomycetemcomitans, in the periodontal pockets of one juvenile with gingivitis (G), one JP patients, five rapidly progressive periodontitis (RP) patients and one adult periodontitis(AP) patient, and one adult with healthy periodontium was investigated using a blood agar medium and a selective medium for A. actinomycetemcomitans.
  • (12) By using these methods, it was clearly indicated that these factors such as TDF of rectum, Z-coordinate of weighted geometric center (WGC-Z), the dose of whole pelvic irradiation, history of chemotherapy and Treponema pallidum hemoagglutination test (TPHA) were important for occurrence of rectal complication.
  • (13) This study examined the frequency of occurrence of velar deviations in spontaneous single-word utterances over a 6-month period for 40 children who ranged in age from 1:11 (years:months) to 3:1 at the first observation.
  • (14) So we concluded that duplications and accessories should be thought to have similar meanings with the ordinary branching patterns of MCA in the occurrence of aneurysms.
  • (15) In a Caucasian woman with a history of ocular and pulmonary sarcoidosis, the occurrence of sclerosing peritonitis with exudative ascites but without any of the well-known causes of this syndrome prompts us to consider that sclerosing peritonitis is a manifestation of sarcoidosis.
  • (16) However, this inhibition was not found in rats treated with castor oil for 3 d. Moreover, 5-HT concentration in the midbrain significantly decreased in rats that acquired the adaptability for the occurrence of diarrhea.
  • (17) The timing of the occurrence of the disease is closely related to the conceptional age of the infant rather than weeks post birth, birth weight, gestational age at birth.
  • (18) Vital staining of neuroblastoma cells with acridine orange produces a bright intracellular red-orange fluorescence most probably due to the occurrence of RNA.
  • (19) The presence of potential insect vectors and the occurrence of clinical signs are indications of active transmissions.
  • (20) They do suggest the presence of a relatively small subpopulation in whom reduction of plasma cholesterol may lead to increased occurrence of cancer.

Recurrence


Definition:

  • (n.) Alt. of Recurrency

Example Sentences:

  • (1) A report is presented of 6 surgically-treated cases of recurrent cervical carcinoma.
  • (2) One developed recurrent dislocation of the shoulder.
  • (3) During the study period four family outbreaks and seven recurrences of infection were observed.
  • (4) It is suggested that the results indicate the need for full haematological screening of all patients with recurrent aphthae.
  • (5) In the past 6 years 26 patients underwent operation for recurrent duodenal ulcer after what was considered to be an "adequate" initial operation.
  • (6) There were two recurrent P. (1 Tbc, 1 viral) and no recurrent constriction.
  • (7) The risk of recurrence and progression in 170 patients presenting with pTa urothelial tumours of the bladder has been estimated so that follow-up can be rationalised.
  • (8) Our recurrences are due to local infections, removing the metal strut too early, i.e.
  • (9) Eighty four colorectal cancer patients who underwent presumably curative surgery were considered as candidates for control recurrence study.
  • (10) The group consisted of 34 primary diseases and 7 recurrences.
  • (11) After examining the cases reported in literature (Sacks, Barabas, Beighton Sykes), they point out that, contrary to what is generally believed, the syndrome is not rare and cases, sporadic or familial, of recurrent episodes of spontaneous rupture of the intestine and large vessels or peripheral arteries are frequent.
  • (12) Recurrent respiratory infections occurred in 17 (38%), and chronic recurrent middle ear effusions were noted in 33 (73%).
  • (13) A nine-year-old male child presented with a history of recurrent chest infections and breathlessness.
  • (14) In the univariate life-table analysis, recurrence-free survival was significantly related to age, pTNM category, tumour size, presence of certain growth patterns, tumour necrosis, tumour infiltration in surrounding thyroid tissue and thyroid gland capsule, lymph node metastases, presence of extra-nodal tumour growth and number of positive lymph nodes, whereas only tumour diameter, thyroid gland capsular infiltration and presence of extra-nodal tumour growth remained as significant prognostic factors in the multivariate analysis.
  • (15) We report a case of chronic recurrent polymyositis associated with increasing antibody titers of coxsackievirus A9 in serum during clinical exacerbations.
  • (16) Among patients in whom the neuroma had been operated on once previously (first recurrence group), 88% achieved good to excellent pain relief with the technique described in this article.
  • (17) Effective medical or surgical therapy increased DAO activity and decreased CDAI, while clinical recurrence had the opposite effect.
  • (18) Eaton-Lambert or myasthenic syndrome was diagnosed in a young woman with recurrent small-cell carcinoma of the cervix.
  • (19) A return of high-frequency sensitivity accompanied the recurrence of pain in some patients who had been injected up to 13 years prior to testing.
  • (20) Six cases of chronic eosinophilic pneumonia fulfilled the following criteria: 1) more than a two-month history of symptoms prior to diagnosis, 2) a prolonged clinical course and 3) recurrence.