Doctor insights on:
What Does A Cancer Cell Look Like
Cancer is a group of diseases that is characterized by uncontrolled cell growth leading to invasion of surrounding tissues that spread to other parts of the body. Cancer can begin anywhere in the body and is usually related to one or more genetic mutations that allow normal cells to become malignant by interfering with internal cellular control mechanisms, such as programmed cell death or by preventing ...Read more
Different things...: Squamous cell skin cancer (scca) can take different appearances. In general the lesion will progressively enlarge. It is usually scaly and dry appearing and can have ulceration. It may bleed, esp. If picked at. It may be painless or itch. Early ones usually don't hurt. There are some benign skin lesions which mimic scca. Have any suspicious lesions examined and/or biopsied. ...Read moreSee 2 more doctor answers
A single cancer cell will always result later in a tumor, lesion or mass? Does a cancer cell always multiplies with/without intervention?
Nobody really knows: I would say NO. Surely many individual cancer cells die or don't reproduce, for any number of reasons. Suppose there are 37 trillion cells in the human body (like some websites say). Even if only one in 3.7 billion cells turned cancerous, that would be 10,000 cancers cells... and nobody walks around with that many tumors. That suggests cancer cells must be dying or failing to multiply. ...Read moreSee 1 more doctor answer
Are people ever misdiagnosed with having cancer of any type? Do all cytologists always agree on what a bad cancer cell looks like?
Yes...and no.: Yes misdiagnosis can happen. Cytology is the review of cells in fluid. This gives the pathologist much less to examine than a biopsy of tissue. A diagnosis based on cytology alone can be tricky in some cases (but not all). There is some degree of subjectivity in any visual examination so no, cytopathologists do not always agree. Second opinions are important and can always be requested! ...Read more
Man, there are : ..Entire books meant to answer that. Cells have instructions in their dna that establish their behavior. Sometimes those instructions are changed (mutations) and the cells start dividing too much, "learn" how to spread, and bypass their "self destruct" mechanisms. That ultimately leads to a malignancy. It is way more complicated that that but i ain't got space. Try the acs or the nci websites. ...Read more
This is surprisingly: Complex question. How long it takes for a mass to achieve a given size is highly variable and depends upon the rate of cell cycle progression, growth fraction (% of cells in the tumor that are dividing), rate of cell death that balances emergence of new cells, etc. Some cancers grow rapidly (eg., burkitt lymphoma) while others may take years to achieve comparable size. Why do you ask? ...Read more
No: Waves can cancel one another, and antidotes neutralize poisons, but there are no anti-cancer cancer cells. This is the stuff of you're living in the 21st century and you owe it to yourself to become scientifically literate -- many of your neighbors are not. Use that inquiring mind to understand how your body actually works and how disease really happens. ...Read moreSee 1 more doctor answer
How rapidly can a cancer cell grown in tissue cultures divide, and would that be the same rate inside your body?
Rare: . Malignant mesenchymomas are rare soft tissue tumors of mesenchymal origin. A case of pleural localization with liposarcomatous was noted which represents fibrous type of lesion combined with a malignant liposarcoma. Similar combinations has been seen but very uncommon ...Read more
No longer in use: Some of the old techniques of chromosomal banding were done on fruit flies because of their distinctive biology. This laid the foundation for science that is now almost entirely based on cell cultures and recombinant DNA work. We can be thankful for the animals that helped us, even the humble insects. ...Read moreSee 1 more doctor answer
Jail time...: ..For whoever does it, and well deserved (if done on purpose, of course). For the recipient, it would be unlikely to develop cancer because the cells would be recognized as foreign and killed by the immune system. If the recipient is significantly immunosuppressed, however, i guess it's theoretically possible for him/her to develop the cancer. ...Read more
Could you tell me if i workout hard will this result in cancer cell come back or spread faster either?
Supply line: Living tissues need blood supply to deliver nutrients and oxygen and to get rid of cellular waste. This is especially true in fast growing malignant cells. It's a bit more complex than that but i don't have much space. Blocking angiogenesis is one of the current therapies used for many cancers. ...Read more
Local RT: If on resecting a tumor ie breast and margins are close with possible residual cells left behind the best approach is re resection for clean margins or use of local RT or gamma .RT With use of new mAbs,,margins can be reexamined and normal apprearing cells found to express tumor protein. Here reresection until cells are truely normal will assure all residual cells are removed and destroyed. ...Read more
Very different: A stem cell is a healthy cell that has never done anything special and exists as a backup. A cancer cell is from a line of cells that has had the genome damaged and destabilized and lost the ability both to be useful and to control its own growth and the spread of its offspring. They are confused because neither is presently useful, & stem cells can turn cancerous like any others. ...Read moreSee 1 more doctor answer
A stem cell: Has the potential to develop into any normal, committed, differentiated cell/tissue in the body. A cancer cell was once differentiated, but suffers genetic gain or loss to then express difficulties during cell division that may make the mutational change worse. Some lose chromosomal pieces, some gain. ...Read more
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