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I am skeptical about anything dealing with radiation. When I was 6 years old in 1954 I received X-ray treatments for swollen adenoids. Many children who received that treatment developed cancer of the thyroid as adults.. I did not get cancer, but I think the treeatment was the cause of my PD. John 61/15 - Original Message ----- From: "john thomas" <[log in to unmask]> To: <[log in to unmask]> Sent: Tuesday, November 03, 2009 2:35 PM Subject: Re: Stereotactic radiosurgery (SRS) >I think we best start looking at the procedures a little more than naively > listing them on a cause effect basis. > As the name suggests stereotactic radiation surgery, SRS, is an operation > designed to destroy tissue thought to be the cause of the symptoms of PD. > Hence the radiation doses are extremely high. I.e. Radiotherapy doses at > a > level to destroy tissue, this I can't emphasize enough. > Its only, dare I say, benefit is that the brain is not directly assaulted > by > the surgeon's knife. > Therefore this is considered a non invasive technique which on face value > might appear to someone unable to survive a brain operation as in dbs. > The after effects are similar to radiotherapy techniques applied to tumor > treatment and as such would not normally be promoted as an effective > treatment for Pd. The success rate should always be considered above all > else when adopting an evaluation of the procedures available. > John Thomas > B Aps medical radiation > > -----Original Message----- > From: Parkinson's Information Exchange Network > [mailto:[log in to unmask]] On Behalf Of Nic Marais > Sent: Monday, November 02, 2009 11:29 PM > To: [log in to unmask] > Subject: Re: Stereotactic radiosurgery (SRS) > > Hmmm... DBS might be invasive, but at least it can be reversed and does > not > fry a part of your brain...! > > Nic 57/15 > > On Tue, Nov 3, 2009 at 8:35 AM, mschild <[log in to unmask]> wrote: > >> Stereotactic radiosurgery (SRS) offers a less invasive way to eliminate >> tremors >> caused by Parkinson's disease and essential tremor than deep brain >> stimulation >> (DBS) and radiofrequency (RF) treatments, and is as effective, according > to >> a >> long-term study presented November 2, 2009, at the 51st Annual Meeting of >> the >> American Society for Radiation Oncology (ASTRO). >> "The study shows that radiosurgery is an effective and safe method of >> getting >> rid of tremors caused by Parkinson's disease and essential tremor, with >> outcomes that favorably compare to both DBS and RF in tremor relief and >> risk >> of complications at seven years after treatment," Rufus Mark, M.D., an >> author >> of the study and a radiation oncologist at the Joe Arrington Cancer >> Center >> and >> Texas Tech University, both in Lubbock, Texas said. "In view of these > long- >> term results, this non-invasive procedure should be considered a primary >> treatment option for tremors that are hard to treat." >> Parkinson's disease is a slowly progressive neurologic disease that >> causes >> tremors, in addition to other symptoms. Essential tremor is the most > common >> of >> all movement disorders and causes uncontrollable shaking of the hands, >> head, >> and sometimes other parts of the body. >> Stereotactic radiation is a specialized type of external beam radiation >> therapy that pinpoints high doses of radiation directly on a confined >> area >> in a >> shorter amount of time than traditional radiation treatments. >> Stereotactic >> radiosurgery, or SRS, refers to a single or several stereotactic >> radiation >> treatments of the brain or spine. SRS is delivered by a team involving a >> radiation oncologist and a neurosurgeon. This radiation treatment is >> often >> called by the brand >> names of the manufacturers, including Axesse, CyberKnife, Gamma Knife, >> Novalis, Primatom, Synergy, X-Knife, TomoTherapy and Trilogy. >> Between 1991 and 2007, 183 patients underwent stereotactic radiosurgery >> thalamotomy, for hard-to-treat tremors caused by Parkinson's disease and >> essential tremors. A thalamotomy is a procedure that destroys tissue at a >> particular spot-the Ventralis Inter-Medius nucleus-on the thalamus of the >> brain which influences movement. >> With a median follow-up of seven years, 84 percent of patients had >> significant >> or complete resolution of tremors. In patients with Parkinson's disease, > 83 >> percent had near or complete tremor resolution, while those with >> essential >> tremor had 87 percent of this degree of tremor resolution. >> Source: American Society for Radiation Oncology >> >> ---------------------------------------------------------------------- >> To sign-off Parkinsn send a message to: mailto: >> [log in to unmask] >> In the body of the message put: signoff parkinsn >> > > ---------------------------------------------------------------------- > To sign-off Parkinsn send a message to: > mailto:[log in to unmask] > In the body of the message put: signoff parkinsn > > ---------------------------------------------------------------------- > To sign-off Parkinsn send a message to: > mailto:[log in to unmask] > In the body of the message put: signoff parkinsn > ---------------------------------------------------------------------- To sign-off Parkinsn send a message to: mailto:[log in to unmask] In the body of the message put: signoff parkinsn