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Showing posts with label genetic factor. Show all posts
Showing posts with label genetic factor. Show all posts

Wednesday, October 10, 2007

A Simple Guide to Endometriosis

A Simple Guide to Endometriosis

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What is Endometriosis ?

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Endometriosis is a disorder of the endometrial tissues (which line a woman's uterus) in which these tissues are implanted in places outside the uterus, usually in other parts of the pelvic cavity and abdomen.

However, in women with Endometriosis, blood from the implanted endometrial tissue is trapped inside, becomes inflamed, and develops into scar tissue.

Because of this inflammation, severe pain, infertility and bowel problems occur.


What are the Causes of Endometriosis?

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The cause of endometriosis is still not known.

There are a few theories:

1.during menstruation, some of the menstrual tissue is pushed back through the fallopian tubes into the abdomen where it implants and grows.

2.it may be due to a genetic process

3.certain families are predisposed to endometriosis:

Higher socioeconomic groups

women who marry late and have no or few children

4.Stress may constrict the opening of the uterus .

Some endometrial tissues are pushed backward into the abdominal cavity instead of through the opening of the uterus


What are the Symptoms of Endometriosis?

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Endometriosis occurs usually years after the periods begin.

Symptoms may worsen as the endometrial area increases in size.

However after menopause, the implanted tissue shrinks away and the symptoms subside.

Common symptoms include:

Severe menstrual cramps

Pelvic pain apart from menstrual periods

Diarrhoea or painful bowel movements during menses

Menstrual irreuglarities

Menorrhagia

Painful intercourse

Backache

Pain with exercise

Painful pelvic exams

Painful and frequent urination

Bloating

Constipation

Fatigue


How do you made the Diagnosis of Endometriosis ?

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A diagnosis can only be made via laparoscopy.

A laparoscope is a tube with a light in it which is inserted through a small incision in the navel area. The misplaced endometrial tissue can then be found and the location, extent and size of the endometriosis detected.

What is the Treatment for Endometriosis?

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There is no cure for endometriosis.

If the symptoms are mild, only medication for pain is required.

Treatment depends on the size, extent of the lesions, age of the patient and the desire for pregnancy.

If these women want to be pregnant, the best course of action is to have a trial period of unprotected intercourse for 6 months to 1 year.

Once pregnancy occur, the endometriosis will cleared by itself because there is no menses for nine months. Whether the endometriosis will recur after delivery depends on the patient. Most patients do not have a recurrence.

If the patient is not seeking pregnancy and where specific treatment of the endometriosis is required, hormone suppression treatment may be tried. This prevents ovulation and less endometrial tissue is formed. Because of this the endometriosis may reduced resulting in less symptoms. A course of treatment may last 6 months.

Where hormone suppression therapy do not work, some patients may require surgical treatment to remove the endometriosis tissue in the abdomen.

In severe cases, where the uterus and ovaries are affected, removal by surgery of the uterus and/or ovaries is required especially in those nearing menopause or who do not wish to be pregnant.

Friday, September 28, 2007

A Simple Guide to Lymphoma

A Simple Guide to Lymphoma
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What is Lymphoma?
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Lymphoma is a cancer of the tissue of the lymphatic system where there is a large number of abnormal white blood cells called lymphocytes causing swelling of lymph nodes or involvement of the other organs.
This can disrupt the immune-system cells and reduce a person's ability to resist infections and diseases. The lymph nodes become swollen forming painless lumps or tumours.
Although lymphomas usually begin in a lymph node, it also can originate in the stomach, intestines, skin or any other organ that contains lymphoid tissue.
Lymph nodes are found anywhere in the body, particularly in the neck, armpits, groin, above the heart and around the big blood vessels inside the abdomen.

Who are at risk of getting Lymphomas?
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1.Men are at a higher risk of getting lymphomas.
The disease is uncommon among younger men.
It often develops after the age of 50.

2. past history of severe viral infections which lowers your immune system eg. HIV virus

3.history of organ transplants and on immuno suppressive drugs

4.history of cancer and previous treatment with chemtherapy or radiation therapy

5. frequent exposure to chemicals, solvents,pesticides

6.family history of lymphoma

What are the types of Lymphoma?
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There are two main types of lymphoma.
They are:
Hodgkin's Disease
Hodgkin's disease is characterised by the presence of a specific type of abnormal cell called the Reed-Sternberg cell. This cancer can spread throughout the lymphatic system, affecting any organ or lymph tissue in the body.
Hodgkin's disease usually attack people in their late 20s or older than 50.

Non-Hodgkin's Lymphoma
Most lymph cancers are non-Hodgkin's lymphomas.
There are many types of non-Hodgkin's lymphomas.
Non-Hodgkin's lymphomas develops in the age group of 60 - 70.
Different types of lymphoma occur in different age groups.

1.Adult non-Hodgkin's lymphoma is classified by the size, shape and arrangement of the cancer cells in the lymph node. The appearance will determine the type of non-Hodgkin's lymphoma. The degree or seriousness of the disease is broken into three types (grades) -
1.low-grade (slower-growing),

2.intermediate grade and

3.high-grade (aggressive).

These grades are crucial in determining the treatment options to treat the cancer.

2.Childhood non-Hodgkin's lymphomas include lymphoblastic lymphoma, large cell lymphoma and small non-cleaved cell lymphoma (including Burkitt's and non-Burkitt's lymphomas).

What are the Symptoms of Lymphoma?
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The most common symptom associated with lymphoma is
1.lymph node swelling. A painless swelling initially surfaces in the early stages of the cancer. This swelling may persist or increase in size. The most common affected areas would be the neck, armpits or groin.
Other symptoms are:

2.unexplained constant fever,

3.sudden weight loss,

4. itchy skin or rashes,

5. night sweats and

6. abdominal pain

What are the causes of Lymphomas?
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There is no known cause for lymphomas.
However, it has been closely linked to several factors -
1) environmental influences, Environmental influences may take the form of extreme exposure to certain chemicals like herbicides and insecticides.

2) genetic factors
There are inherited immune-deficiency disorders from birth such as Wiskott-Aldrich syndrome which have been blamed for the cause of genetic factors that result in lymphomas.

3) viral infections. Viral infections such as the Epstein-Barr virus (EBV) and human immunodeficiency virus (HIV) have been associated with lymphomas.

What is the Treatment of Lymphoma?
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Hodgkin's Disease can only be treated with radiation therapy using high-energy X-rays to kill lymphoma cells in the affected area. This procedure may also be combined with chemotherapy.

Treatment for non-Hodgkin's lymphoma, can vary.
The treatment is based on the degree of grade of the disease.
1.Early stage and low-grade (slow-growing) lymphoma can be treated with radiation therapy and sometimes just simple observation is enough.

2. intermediate-grade lymphoma may be treated with chemotherapy.
The drugs are either injected directly into the bloodstream or swallowed as pills.
Each course of treatment is given at regulated intervals to kill cancer cells and allow the body to recover. The drugs circulate throughout the body and will reach cancer cells even when they are widespread.

Patients who are suffering from the more advanced stages and high-grade (aggressive) lymphomas will require a higher dosage of chemotherapy.
However, the high dosage has its own side effects.
Too much of it may kill healthy bone marrow that produces white and red blood cells and platelets (cells that prevent bleeding). Therefore, to assist patients tolerate the high dosage of chemotherapy treatment, stem cells or bone marrow from the patient or donor are collected beforehand. After a patient has received the chemotherapy, the stem cells or bone marrow are returned to the patient through a drip in a vein.

In addition to the above treatment methods, another option for treating lymphomas would be biological therapy. This procedure uses products such as immunoglobulin that boost the body's own immune system to fight cancer.
This therapy may be used alone or combined with chemotherapy.

In conclusion, the type of treatment sought or used depends very much on the stage, and grade of the lymphoma when diagnosed and the age and health of the patient.
Most doctors will advise their patients on the various treatment options that are the most beneficial and appropriate whilst considering the factors mentioned above.

What are the Prevention measures for Lymphomas?
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1.Where exposure to some toxins and chemicals which are known to cause lymphomas are possible, one should be properly attired and guarded from these chemicals, so as to decrease the risk of developing the disease.

2.Since HIV / AIDS carriers are also related to lymphomas, one should be aware of the importance of safe sex and should stay away from drugs, as far as possible.

3.regular visits to the family doctor helps in detecting any sign or symptom that may eventually lead to the cancer.

4.healthy lifestyle and proper balanced diet are always important in the prevention of any cancer.

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