Questions tagged [tumors]

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1answer
173 views

Teratomas of cardiac tissue with their own “heartbeat”?

I half-remember some mainstream media article about a peculiar growth/tumor in which the vascular tissue itself had started to beat/pulse as if it were a sort of heart. I cannot remember any other ...
2
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1answer
43 views

Is biopsy still required for cancer diagnosis given that advanced medical imaging is now available?

For cancer diagnosis, there is biopsy, an invasive technique. However, PET CT, SPECT CT, MRI are non-invasive. Do oncologists still require the use of biopsy to ascertain type of cancer, i.e., to ...
1
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1answer
33 views

Diameters of vessels metastases spread through

As I know, one of the way tumor may metastasis is, forced by hypoxia, creating new vessels near it, connecting them to the main circulatory system and then spread cells through the blood. If ...
4
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1answer
445 views

What is the difference between a polyp and a papilloma?

I hope the question was clear because I have got nothing to clarify it with. I was reading Robbins and its Neoplasia chapter when that confused me a bit. Can anybody clear this up for me? According to ...
3
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0answers
37 views

Causes for elevated beta-HCG and AFP

I am interested in finding possible causes of elevated levels of beta-HCG and Alpha-1-Fetoprotein in males. However, as much as I see, the only answer I find relates to cancer, and my curiosity is ...
0
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1answer
52 views

What is Immunotherapy for cancers?

I have heard a lot about immunotherapy in the last 2 years. It is not used in many countries and is still under testing. What is immunotherapy? (I need a simple explanation, I am not a doctor) How ...
4
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1answer
1k views

What is the meaning of T2 Nx Mx in histopathological examination?

My dad's histopathological examination (HPE) of his rectal adenocarcinoma says T2 Nx Mx. Hence, it means that the lymph nodes were not assessed. However, as per my understanding, when the rectum/colon ...
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0answers
48 views

What is a Lymph Node Collection

I'm looking at my results from a C/T I had a year ago, because my doctor wants to get another since my lymph node is still enlarged. When I looked at the results I saw The right axillary region ...
2
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3answers
1k views

Real dangers of CT Scan made only once at age of 31

I have zero medical knowledge (only the basic "common" ones) and I would like some opinions from you experts about CT Scan. My girlfriend had a CT scan done some days ago, and since then she's ...
1
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0answers
19 views

Typical size for breast tumor at the beginning and at the end of radiotherapy treatment

I'd like to know if you know about sizes of breast tumors at the beginning and at the end of a typical radiotherapy treatment. I know that standard scheduled (50 Gy in 25 sessions) and ...
1
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1answer
3k views

Would a regular ultrasound be able to differnciate a benign ovarian cyst from an ovarian tumor? Or is a Transvaginal ultrasound needed?

Would a regular ultrasound ordered by an OBGYN be able to detect/differentiate typical benign ovarian cysts from an ovarian tumor? Or is a transvaginal ultrasound needed in that case? Are there ...
2
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1answer
195 views

Accelerated tumor growth after stopping prednisolone?

I have a pet rat who was taking prednisolone for allergies. I've read that prednisolone can slow or inhibit tumor growth. When he was taken off of the medication, he grew a grape-sized tumor over the ...
3
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1answer
37 views

What is neurofibromatosis?

What is neurofibromatosis and what are its symptoms? I researched it and it still isn't clear to me. Also, at what age does one show the first signs of it?
5
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1answer
1k views

What can cause a visual disturbance followed by a headache?

Interesting story: onset of a blurred point in a field of vision which gradually enlarges such that it forms an arc in the right side of the field of vision and then after a while that blurred arc ...
2
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1answer
38 views

Recurrent schwannoma implications?

In the early 1990's, I had a mass develop along the ulnar nerve where it passes close to the skin at the elbow (the "funny bone" location). It was painful upon impact and palpation, and when it was ...
5
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2answers
169 views

What are the dangers of screening tests in overdiagnosis and overtreatment?

I have recently seen a number of articles in the lay public print on overdiagnosis, for example in the New York Times, Study Points to Overdiagnosis of Thyroid Cancer. In the article, they state that ...
2
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0answers
103 views

Takes a while to decipher what people say, something wrong with my brain? [closed]

Sometimes, when people talk to me, I hear the words immediately but it then takes me longer than expected to decode those words and respond appropriately. This leads to odd pauses and I look a little ...
11
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1answer
164 views

“Narrow” Pure Androgen-secreting Adrenocortical Adenoma

I was looking for a case report or example to match something I've come across that I thought highly unlikely to the point of being untrue. That is a adrenocortical adenoma (AA) was functional but ...