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2012年2月27日 星期一

Stages and Procedures Regarding AIDS-related Lymphoma


AIDS-related lymphoma can be diagnosed by performing a serie of tests known as staging too. Much more, by doing these tests the patient can find out if cancer cells have spread within the body, affecting other organs as well. It is important to know that the tests may easily confirm the stage of the disease and in this way the physician can prescriebe the appropriate treatment. Moreover, AIDS-related lymphoma is usually diagnosed when the illness is already advanced.

To begin with, a first common procedure to find malignant tumor cells in the body is called PET scan (positron emission tomography scan). Firstly, this procedure involves the injection of radionuclide glucose into the vein in order to show in a picture made by the PET scanner where the glucose is being used in the body. So, by scanning the body, the malign tumor cells become brighter because they are more active and take up more sugar than other healthy cells.

Secondly, another well known procedure is CT scan also called computed tomography or computerisez axial tomography. CT scan is a procedure that makes a serie of pictures of the areas inside the body, showing a clear image of the organs and tissues. Moreover, a common procedure is Bone marrow biopsy which includes the removing of a small piece of bone marrow and bone from the hipbone or breatsbone in order to be examined under a microscope.

Furthermore, stages of AIDS-related lymphoma may include E which means that the cancer is found in an area or organ other than the lymph nodes or has spread to tissues beyond and S stands for spleen and means the cancer affected the spleen. In addition to this there are 4 stages which are used for AIDS-related that indicate the place where the cancer can be found, lymph nodes, organs other than the lymph nodes, near the diaphragm or spleen.

It is considered that people who suffer from Epstein-Barr virus or whose AIDS-related lymphona usually affects the bone marrow and in some cases may lead to complications, such as the spreading of cancer to the central nervous system.(CNS). Much more, CNS lymphoma which starts in other parts of the body is not considered primary as the CNS lymphoma that starts in the brain and spinal cord.




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2012年2月4日 星期六

Information Regarding the Tendons and Ligaments of Horses


In horses, tendon and ligament injuries occur frequently; in fact 43% of National Hunt Racehorses in training develop tendonitis at some stage. When galloping, tendons have been shown to be subjected to the maximum amount of stress they can survive and so could theoretically rupture at every stride. Exercise and fattening regimes are important to strengthen tendons and this should be built up over time.

The most commonly affected is the superficial digital flexor tendon which runs down the back of the distal limb just below the skin. If your horse develops any heat or swelling around the tendon area it is important to get advice from your vet immediately and to stop working the horse until the vet has given you the OK. Any heat or swelling is an indication of a problem.

Tendons can become injured from excessive loading and there are other factors which can lead to these such as poor foot balance, uneven surfaces, fatigue, excessive heat and trauma. Trauma is common due to the anatomical locations of the tendons and the close proximity to the surface. Rupture of the flexor tendons can be caused by over reach and if this is likely it is important to consider tendon boots; however these can also cause the tendons to become excessively hot and can also cause problems. There are many types of boots on the market which claim to increase airflow around the leg and therefore reduce the effects of over-heating.

If your horse gets an injury to a tendon then the vet can scan it to find out the extent of the damage. It is important to follow a strict rehabilitation period, which will usually start with box rest and measures to reduce the inflammation such as cold hosing and non-steroidal anti-inflammatories. During box rest you could consider massage or physiotherapy to keep the horse supple and try to prevent stiffness, particularly if the box rest is for a long period. The length of time the horse will need on box rest depends greatly on the severity of the injury. The vet will scan the tendon periodically and advise when the horse can begin work again.

Following box rest it is important to control the exercise and turnout to avoid re-injury. Many horses will be over excited at the prospect of being able to race around the field again so your vet may advise a sedative for the first few times to keep them calm. You may also need to walk the horse out in hand to restrict the exercise to a walk and for a limited time.

The most controversial method of repair or prevention of tendon injury is firing (therapeutic thermocautery) or blistering (chemical cautery). Applying heat or chemical to the tendon to cause damage and therefore encourage scar tissue formation. This is still popular in some disciplines such as National Hunt Racing but there is little evidence for its success. In fact research has shown that damaged tissue can never be as strong as undamaged tendons so it would be unadvisable to use this as a method of prevention.




For further information on equine clearance products including horse boots, horse rugs or any other topics that have been raised, visit Anything Equine who are experts in the equestrian field.





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2012年2月1日 星期三

Information Regarding Seizures In Dogs And What They Could Mean


Seizures, also known as fits, are episodes of excessive and abnormal neurological activity that take place in the brain. In humans, the fits can have a number of different effects from loss of awareness and fainting to uncontrollable thrashing and muscle spasms. Seizures in dogs occur in a very similar manner and can be caused by a number of things. However, due to the unspecific and numerous symptoms of the fits they can be understandably difficult to notice in a canine so it is crucial that owners ensure their dogs are seen by a vet after exhibiting any and all odd behaviors.

Just as with human patients who suffer from seizures, canines with recurring convulsions and blackouts are often diagnosed with epilepsy. However not all dogs who suffer from seizures are epileptic. Only one to two percent of dogs will experience a seizure during its lifetime and roughly half of that number actually have epilepsy. It is still important, however, to ensure your pet receives medical treatment immediately.

Signs of a pet's impending seizures can include periods of whining or growling. The dog may appear to be frightened or stressed and attempt to receive comfort from its owner. Other signs include trouble urinating, pacing, and shaking. Once the animal has progressed into an epileptic fit, it may pass out, become uncontrollably agitated, begin convulsing, or appear to be in an altered state of mind.

A number of different factors can cause seizures in dogs as well as influence the likelihood of future ones. These include the dog's age, genetic history, and breed. The type of fit a canine experiences can usually accurately predict the type and severity of subsequent attacks.

Because seizures are a brain disorder, any sign of one that you witness in your pet should be taken very seriously. An appointment should be made immediately with your vet who will likely run a battery of tests on your dog, depending on its age. If your dog is ten years or older you should be prepared to hear that managing the pain, rather than treating it, is your best option.

In most cases the exam will consist of blood pressure tests, blood work, X-rays, CT-scans, and vision checks. And despite the numerous types of epileptic episodes, the symptoms are usually very similar. In most cases, the tests and lab work will reveal either tachycardia, kidney failure, low blood pressure, swelling of the brain, infectious disease, or a weak pulse is present.

It is very important to remember that just because your beloved pet has received a diagnosis of neurological fits doesn't necessarily mean it will die. With proper care and treatment, most forms of epileptic seizures are fairly manageable. In fact, the sooner that the condition is diagnosed, the better the prognosis will be.

Make sure to consult your veterinarian the moment you begin noticing any new behavior in your pet as he or she will have the tools and the information needed to come up with the best possible course of action.




I have more information about seizures in dogs at my Website. You may also be interested in reading my article on stages of seizures in dogs.





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