What is a metachronous cancer?

“Synchronous” tumors refer to cases in which the second primary cancer is diagnosed within 6 months of the primary cancer; “metachronous” tumors refer to cases in which the second primary cancer is diagnosed more than 6 months after the diagnosis of the first primary cancer.

What do you mean by synchronous?

1 : happening, existing, or arising at precisely the same time. 2 : recurring or operating at exactly the same periods.

What is metachronous metastasis?

“Synchronous metastasis” and “synchronous second carcinoma”were defined as the diagnosis of a distant metastasis or second carcinoma together with or within a three-month interval of the diagnosis of the primary colon cancer. “Metachronous”was defined as an occurrence after a period of three months postoperatively.

What is metachronous breast cancer?

Metachronous breast cancers are two breast cancers that occur in either breast in two different time periods.

What is asynchronous learning?

What is asynchronous learning? Asynchronous learning allows you to learn on your own schedule, within a certain timeframe. You can access and complete lectures, readings, homework and other learning materials at any time during a one- or two-week period.

What is Oligometastatic disease?

Listen to pronunciation. (AH-lih-goh-meh-TAS-tuh-sis) A type of metastasis in which cancer cells from the original (primary) tumor travel through the body and form a small number of new tumors (metastatic tumors) in one or two other parts of the body.

What is synchronous colorectal liver metastases?

Synchronous CRCLM should be termed ‘synchronously detected liver metastases’. This is defined as LM detected at or before diagnosis of the primary tumour. • Early metachronous metastases are considered to be those detected within 12 months after diagnosis or surgery of the primary.

Which type of breast cancer is bilateral?

Background. Synchronous bilateral breast cancer (SBBC) is breast cancer diagnosed more or less simultaneously in both breasts in the same patient.

Which type of breast carcinoma is bilateral?

Synchronous bilateral breast carcinoma (SBBC) is an uncommon presentation, and the management of patients with this disease is not well established [3]. Breast cancer is usually associated with local and lymphatic spread and with blood–borne spread to lungs, bones and liver.

What does asynchronous mean in school?

Does asynchronous mean no zoom?

It is when two or more people communicate without having to be “present” at the same time. Compared this to having a meeting at work or arranging a Zoom call when everyone has to be there and ready for it at the same moment in time. Here are few examples of asynchronous communication: Email.

What is the medical definition of metachronous cancer?

Medical Definition of metachronous 1 : not functioning or occurring synchronously the metachronous beating of cilia 2 : occurring or starting at different times metachronous cancers of the large bowel — Journal of the American Medical Association

Which is the best definition of a metachronous feature?

= metachronal . Of or relating to a geographical or palaeobiological feature which is composed of several parts formed at different times. Occurring sequentially or subsequently rather than simultaneously; especially designating a neoplasm that occurs as a later primary (rather than as a synchronous primary or a metastasis).

Where does the word metachronism come from in Latin?

Join Our Free Trial Now! Medieval Latin metachronismus chronological error, from Greek metachronios, metachronos out of date, anachronistic (from meta- after—from meta—+ chronos time) + Latin -ismus -ism “Metachronism.”

What does the word’not synchronous’mean?

Not synchronous; multiple separate occurrences, such as multiple primary cancers developing at intervals. adjective Referring to lesions or conditions that appear at times differing from an event of interest—i.e., not synchronous.