Questions tagged [cancer]

The disease caused by an uncontrolled division of abnormal cells in a part of the body or when describing a malignant growth or tumor resulting from the division of abnormal cells.

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Will PTFE scratched off a Teflon non-stick pan accumulate in the body or pass through the digestive tract unaltered?

I believe to have seen conflicting information regarding the question of whether cooking with PTFE coated kitchenware can be unhealthy. For the purpose of this question, let's assume the pan is not ...
Damian Birchler's user avatar
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Have T-cell receptors been engineered on viral capsids for targeting cancerous cells?

As explained in the answer of another question, a difficulty of cancer therapeutics is the delivery of the therapeutic to only the cancerous cells, which need to be identified among healthy cells. The ...
Colin Pace's user avatar
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T1 weighting vs T2 weighting for monitoring a brainstem lession

https://www.researchgate.net/figure/1-Typical-values-of-relaxation-parameters-T1-and-T2-ms-for-Hydrogen-components-of_tbl1_291346848 I see from the table (various tables actually from diverse papers ...
George Ntoulos's user avatar
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Why is this cancer biomarker not used clinically?

I am a biologist and I conducted a study on cell lines, studying markers of resistance for various anticancer molecules, cytotoxic and targeted. I get the gene SLFN11 as a clear biomarker of ...
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Does drug resistant cancer eventually lose its drug resistance?

Does a cancer cell population eventually lose its drug resistance, if you give it enough time? For example, if you take some cancer cells in vitro, make them drug resistant to a certain drug, then ...
Some Guy's user avatar
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Does having mucinious carcinoma in one tissue influence the risk of getting a mucinious carcinoma in an other tissue?

I just read the Cleveland Clinic's article about Mucinous carcinoma: Mucinous carcinoma is a rare type of cancer. It starts in the main cells of mucus, called mucin. Although this type of cancer can ...
Arsak's user avatar
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Do sugar alcohols cause cancer according to the latest research?

According to this Upstate article, recent research has shown that there is a link between ingredients in sweeteners (sugar alcohols) and liver cancer. One of the coauthors has made several strong ...
BGa's user avatar
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How does the rare cancer mucinous carcinoma respond to radiotherapy?

Mucinous carcinoma is a rare type of cancer. It starts in the main cells of mucus, called mucin. Although this type of cancer can develop anywhere, it’s most common in your breast. [ Cleveland Clinic]...
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Why can't we just replace cancerous organs with artificial organs, before the cancer spreads? [closed]

This is coming from someone who has no idea what he's talking about (me), but I was thinking about the concept of artificial organs. I thought that, if it were possible to recreate organs artificially ...
MDerbyshire's user avatar
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How do doctors learn to spot cancer in moles?

It is very clear to me that doctors do not use the ABCDE rule to check a mole for skin cancer, as I probably have 30-40 moles that clearly violate one or more of these rules, yet the doctor always ...
temporaryUser566524's user avatar
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A biopsy results in dying tissue. What does this mean? [closed]

I'm not a doctor or related in medicine in any way. I'm just a regular Stackoverflow user, and I would like to use my StackExchange experience to acquire knowledge about a bad notification my mother ...
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How do dermatologists make a differential Diagnosis between Psoriasis, Parapsoriasis and Skin Lymphoma in an otherwise healthy person?

It seems to me, from the following Google Images search, that the dermatological symptoms for Psoriasis, Parapsoriasis and Skin Lymphoma are quite similar, excluding a certain type of Psoriasis named ...
somo's user avatar
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What is the difference between skin cancer to skin lymphoma?

In this version from 03.07.23 of the article Skin Cancer in Wikipedia it was written: There are three main types of skin cancers: basal-cell skin cancer (BCC), squamous-cell skin cancer (SCC) and ...
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Towards safer chemotherapy: What is the current state of cancer therapy using targeted drug-delivery?

I work in the biophysics of making non-viral drug-delivery vectors, which can encapsulate the drug molecules and release the drugs at targeted sites. The release mechanism at targeted sites are ...
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What does current research show regarding the use of sunscreen in deeper skin tones?

I've struggled to find anything at all in the literature that specifically investigates the use of sunscreen as a preventative measure against sun damage in people with deeper skin tones. Furthermore, ...
Nathaniel Oats's user avatar
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Is it safe to stand near the microwave oven while it operates? [closed]

My son told me that it's possible to test whether your microwave oven is properly insulated by putting a cell phone into the oven, closing the door, and then calling that phone. We did this, and the ...
Chaim's user avatar
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calculate best overall response using RECIST criteria

I'm a would like to confirm the understanding of RECIST v1.1 criteria. If a patient's timepoint response is PR at 12 week and PD at 17.57 week, what would be this patient's Best overall response? For ...
D. Shin's user avatar
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What does the *U* code mean in the TNM breast cancer staging system?

I am currently working on a dataset of electronic health records of patients diagnosed with breast cancer, where one of the features indicates the cancer stage according to the TNM stage: *U*, 0, I, ...
DavideChicco.it's user avatar
7 votes
2 answers
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Can N95 face masks filter out benzopyrene, polycyclic aromatic hydrocarbons or formaldehyde?

The Question: Can N95 face masks filter out benzopyrene, polycyclic aromatic hydrocarbons or formaldehyde? Background: Pan-frying, stir-frying, and deep-frying typically involve heating oil to a high ...
Dick Grayson's user avatar
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IPSD, IISD, MPP1+ and MSI scores [closed]

First of all, sorry if this is not the correct Stack. I am translating a clinical protocol for an antibody that could be used against certain types of cancer. I found the following and I have no idea ...
Lilo's user avatar
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Have the potential therapeutic applications of cell fusion between cancer cells and neural cells been investigated? [closed]

Studies have appeared on the possible role that cell fusion plays in the formation of certain cancers. For instance, Sitar et al. (2019) have looked into the process of cell fusion in the formation of ...
Max Muller's user avatar
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5 events of reoxygenation (in tumour cells)

I was asked this question in a seminar ,while I have understood the basic process ,I could not find specific mention of any such "events" in the books I referred to(Perez and Brady;Hall) or ...
atilla k's user avatar
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How one would handle a correlation between raise of medical personell in Britain and incidence of Cancer there, especially in Females?

I've made a hypothesis to myself that a raise in "doctor" population also raises "medical interventions" irrespective of severity of patient's conditions. Cancer is usually ...
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Is Dostarlimab approved for cancer treatments already in some countries?

This article dated 5th June 2022 Unprecedent cancer study leaves every patient cancer free talks about "Results from a small cancer trial that left every patient in remission is being praised as ...
Pablo's user avatar
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4 votes
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Can we develop milder drugs to eliminate hematopoietic stem cells?

Eliminating preexisting hematopoietic stem cells (HSC) is a necessary step before HSC transplant. Traditionally this "adjuvant" treatment is performed by means of high dose chemotherapy and ...
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Distinguishing gallbladder polyps vs gallbladder cancer on ultrasound

"On ultrasound a gallbladder polyp is seen as an elevation of the gallbladder wall that protrudes into the lumen. (...) A clearly infiltrating or large mass should be treated as a gallbladder ...
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2 votes
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Is it common for FIGO stage 3 ovarian cancer to have involvement of lymph nodes along greater curvature of the stomach?

I'm a medical student and I'm doing research on cancer. My thesis is about lymph nodes and I'm stumped with the question above. I can't find much literature pertaining to the current topic and would ...
juddululu's user avatar
1 vote
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Does EMF radiation, higher than safety limits suggest, cause cancer? [duplicate]

Does EMF(radio and microwave spectrum) radiation cause cancer, and what are the safety limits that WHO or independent scientists suggest? I read this article below; is this true? Most cancer in ...
user707264's user avatar
4 votes
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199 views

Is there reasonable cause to suspect that taking creatine increases risk of testicular cancer causatively?

A 2015 study finds a significant association between muscle-building supplements (MBS) and testicular germ cell carcinoma (TGCC) with seemingly massive odds ratios. There was a wave of panic about ...
Tim Roberts's user avatar
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Is it true that surgery for cancer can cause the cancer to spread? [closed]

This cancer.org article says: You may have heard that surgery for cancer can cause the cancer to spread. It's very rare for surgery to cause cancer to spread. Advances in equipment used during ...
Matthew Christopher Bartsh's user avatar
2 votes
1 answer
37 views

Is it true that freckles have zero potential for malignant transformation?

This New York City dermatologist called Dr. Bobby Buca on this web page says: "Freckles and moles have two things in common: there is a genetic tendency to get them, and both are darker than the ...
Matthew Christopher Bartsh's user avatar
3 votes
0 answers
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Probability to develop a new type of melanoma

I saw that there are different types of melanoma: some are more aggressive and others are less dangerous. From what I understood searching on web, the causes of melanoma are not clear but there are ...
HelpNeederStudent's user avatar
1 vote
0 answers
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Modern explanation of the Burkitt's lymphoma geography [closed]

In Dr. Arnold Levine "Viruses", a book published in 1991, it's noted that while association between Burkitt's lymphoma and the Epstein-Barr virus is established, the correlation between the ...
Kentzo's user avatar
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1 answer
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Does black tea increase the risk of breast cancer?

Some studies suggest that black tea consumption may be positively associated with development of breast cancer. Here's link to one study result. Is it a fact or just a hypothesis?
md.ashif313's user avatar
1 vote
1 answer
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What are potentially carcinogenic prostatic secretions

In the answer by @Jan to the question What is "stagnation in the prostate"? it is pointed out via Rider, et al. (2016) what is sometimes referred to as the prostate stagnation hypothesis. ...
Chris Rogers's user avatar
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2 votes
1 answer
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Why is sepsis more common with leukemia than with cancers involving physical tumors?

Does it have something to do with differences between leukemia versus other cancers, or differences between the treatments of leukemia versus other cancers? Quote from the source: People with cancers ...
A. Kvåle's user avatar
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1 vote
1 answer
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Sun exposure damage

I had a lot of times in my life when I got seriously sunburned (my skin got extremely red). Though, after the sunburns pass, I become a lot darker and tanned and then I do not get burned any more, ...
FreeZe's user avatar
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1 vote
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Meaning of "early neurotoxicity" in description of methotrexate treatment effects - at an early age? or an early-stage neurotoxicity?

From a guideline: Due to the inhibitory effect of methotrexate on DHPR and the interaction with dihydrofolate reductase (DHFR), this treatment may lead to HPA and early neurotoxicity, possibly ...
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1 vote
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Why are the surgical margins for invasive ductal carcinoma less than the margins required for invasive ductal carcinoma in situ?

Per the NCCN guidelines version 4.2020 (which is unfortunately pay-walled), for invasive ductal carcinoma (IDC), the recommended margins are no tumor on ink, while isolated ductal carcinoma in situ (...
Dylan Russell's user avatar
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0 answers
29 views

How effective is topical fluorouracil to treat facial superficial basal cell carcinoma (BCC) after Imiquimod 5% cream failed to treat it?

Both Imiquimod 5% cream and topical 5-Fluorouracil (5-FU) have been used to treat basal cell carcinoma (BCC) with a fair amount of success (~60 to 90% success rate at 5-year follow-up) {1}. Imiquimod ...
Franck Dernoncourt's user avatar
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Should Imiquimod 5% cream be applied 1 cm beyond the target tumor when treating a facial basal cell carcinoma, and if so, why?

I read on https://www.accessdata.fda.gov/drugsatfda_docs/label/2004/20723s016lbl.pdf (mirror): 364 patients with primary superficial basal cell carcinoma (sBCC) were treated with Aldara Cream or ...
Franck Dernoncourt's user avatar
-2 votes
1 answer
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What is the success rate of topical imiquimod 5% cream to treat infiltrative basal cell carcinoma (BCC)?

What is the success rate of topical imiquimod 5% cream (US brand: Aldara) to treat infiltrative basal cell carcinoma (BCC)? So far I've only found some case study {1} and some study on using topical ...
Franck Dernoncourt's user avatar
2 votes
1 answer
68 views

How is Allred score found in an IHC breast tissue image?

In breast cancer immunohistochemistry (IHC), usually breast tissues are stained with ER/PR (Estrogen/Progesterone) stains so that ER/PR receptors (if present) show up. Allred score is a way of finding ...
Prasanjit Rath's user avatar
1 vote
0 answers
27 views

Chronic Myeloid Leukemia blast percentage

I'm trying to understand the oncogenesis of CML. I have a question about CFC cells and blast cells. Are those the same? I know that in the chronic phase of CML there is a blast percentage of 1-10% of ...
Mario Pérez's user avatar
0 votes
1 answer
144 views

Teeth cancer in Humans [closed]

https://en.wikipedia.org/wiki/Cancer https://en.wikipedia.org/wiki/Human_tooth https://www.google.com/search?q=teeth&oq=teeth&aqs=chrome..69i57j0l3j69i60.10521j0j7&client=ms-android-lava&...
Prashant Akerkar's user avatar
3 votes
1 answer
33 views

What does the drug manufacturer mean by "stopping blood vessels growing in the cancer"?

From the leaflet of a drug called Revlimid(R) (active ingredient: lenalidomide): How Revlimid works Revlimid works by affecting the body’s immune system and directly attacking the cancer. It works in ...
Don_S's user avatar
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Studies On The Affect Of Immunotherapy On Larynx Surgeries

I've been searching online for a study regarding the affect of immunotherapy on the necessity for an affected individual diagnosed with laryngeal cancer to require larynx surgery, to no avail. Could ...
Freddie Boiardi's user avatar
1 vote
1 answer
52 views

How long do trials for "cancer vaccines" usually take?

2 years ago we've heard about a "cancer vaccine" be ready to be tested in humans. Cancer vaccine trial . By that time a person I know (with no experience whatsoever in Medicine) told me he &...
Pablo's user avatar
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2 votes
3 answers
95 views

Do these diagrams have an official name (treatment plan, treatment schedule, protocol)

I am doing research on treatment plans and protocols in order to design software to minimize error when indicating medicine, procedures, exams, etc. We also want to monitor treatment and somehow ...
supercoco's user avatar
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1 vote
1 answer
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Can cancer incidence rates, calculated from the general population, be used in primary care?

I calculated incidence rates (IR) for colorectal cancer using an age-period-cohort model. Is it useful for GPs to use such age, gender and anatomical sub-site specific IRs as a baseline risk, during ...
Malgorzata Hirsz's user avatar

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