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Doctor insights on: Ct Guided Drainage Retroperitoneal Abscess

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Dr. Heidi Fowler
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Computed Tomography (Definition)

Ct uses xrays taken an 360 degrees combined with a computer to see"inside" the body. The table moves as the xray tube and detectors spin around the patient 10 times a second or more! the image shows excellent soft tissue detail, enhanced with injection of intravenous contrast or oral contrast. This way the body is shown in slices, in any plane, usually axially, but ...Read more


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What is the definition or description of: ct-guided drainage of hematoma or fluid collection?

What is the definition or description of: ct-guided drainage of hematoma or fluid collection?

CT is a 3-D scan....: That provides an x-ray cross-sectional view of the scanned body "slice, " allowing any blood or fluid collection to be accurately hit by a long needle or tube that drains off the fluid. The cat or ct scan allows much more accuracy than a "blind" poke with a needle, and also allows the doctor doing the fluid evacuation to see what structures lie along the needle path (more safe; less trauma). ...Read more

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Had CT scan a month ago showing sinus drainage in mastoids. If I was gonna get a cerebral abscess, would I have it by now?

Likely: Fluid in the mastoid air cells is a common finding which is almost always related to inner ear infections. Treatment consists of a decongestant and sometimes antibiotics. It is most commonly untreated infectious mastoiditis which results in brain abscess formation. Follow up with your doctor if your symptoms persist. ...Read more

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What is the definition or description of: ct-guided CSF leak repair?

What is the definition or description of: ct-guided CSF leak repair?

Fix a flat: A ct guided CSF leak repair indicates that for some reason- recent surgery on the brain or spine, or a recent epidural or lumbar puncture-there was a persistant loss of cerebrospinal fluid at the site. Typically, the repair of such a leak is accomplished by injecting a small amount of blood drawn from the patient at the site of puncture to form a clot to seal the leak. ...Read more

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What is a CT guided nfac[whats involed in procedure] pls, where nodule is seen in lung?

What is a CT guided nfac[whats involed in procedure] pls, where nodule is seen in lung?

FNA: The ct is used to guide where a fine needle is inserted from the chest wall to where the nodule is. The ct is used in pulses to locate it not continuous the whole time to avoid too much radiation exposure. Once the needle is deemed in the nodule, aspiration is done to gets cells for study to diagnose cancer, infection, etc. ...Read more

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Does a CT guided injection help posterolateral disc herniation?

Does a CT guided injection help posterolateral disc herniation?

Yes, very accurate: Ct guided procedure gives excellent "accuracy" in guiding the needle to the exact location to be injected. The process involves highly trained docs/technicians to get incredible pin-point accuracy. Best of luck if you are undergoing the procedure. ...Read more

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What is the definition or description of: ct-guided vertebroplasty?

A vertebroplasty is : The repair of a fractured vertebra that has been compressed by placing a substance commonly referred to as " bone cement" though a needle into the vertebra to eliminate pain from that fracture by stabilizing it and in this type the procedure is done or needle directed under the use of an imaging technique known as a ct or cat scan. ...Read more

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What is the definition or description of: ct-guided thoracentesis?

What is the definition or description of: ct-guided thoracentesis?

See below: I agree with the above answer. Thoracentesis refers to removal of fluid from the spaces surrounding the lungs. This is typically done with ultrasound guidance but can be done with ct guidance. The guidance technique allow localization of the fluid pocket for a more accurate needle placement. ...Read more

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Can a person have CT guided nerve root injection if she is on apixaban?

Can a person have CT guided nerve root injection if she is on apixaban?

Usually not: Most practitioners who perform that procedure instruct the pt to d/c the drug several days before. These days, anyone who does that procedure is expected to have a written protocol that includes such details. If you're not asked whether you're on apixaban or other antithrombotics before the procedure & aren't given preprocedure & aftercare printed instructions, call a big time out. ...Read more

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What is the definition or description of: ct-guided fine needle aspiration?

What is the definition or description of: ct-guided fine needle aspiration?

Minimally invasive: A ct guided fine needle biopsy is performed by an interventional radiologist and in ideal situation will have a cytopathologist evaluating the samples at the bed side. The ct is used to guide the needle to the target to acquire a sample. It is usually done with local but sedation can be used . In the right hands it is a very high yield test. Ask your team what their success rate is! ...Read more

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I had a CT scan with contrast dye and a mrcp with contrast on the same day-- 4hours apart. Also, scheduled a CT guided biopsy 2 days later. Any issue?

I had a CT scan with contrast dye and a mrcp with contrast on the same day-- 4hours apart. Also, scheduled a CT guided biopsy 2 days later. Any issue?

Be followed: As long as you have normal renal (kidney) function and you are monitored closely and well hydrated, you should be fine. Best wishes. ...Read more

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They found a spot or scar on my left lung. After 6 months they want to do a CT guided needle biopsy. What is this?

They found a spot or scar on my left lung. After 6 months they want to do a CT guided needle biopsy. What is this?

CT guided biopsy: When a spot is close enough to the chest wall, interventional radiologists are able to use ct scan pictures to guide a small needle into a spot. Normally, when a spot is found, we follow it with ct scans. It it looks like it's getting bigger, we plan for a ct guided biopsy to find out what it is. When the spot is away from the chest wall we consider bronchoscopy vs surgical removal. ...Read more

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Can a CT guided spine biopsy of L3 result in scar tissue? Had biopsy 3 weeks ago had a burning pain in my right anterior thigh one day later. Serious?

Can a CT guided spine biopsy of L3 result in scar tissue? Had biopsy 3 weeks ago had a burning pain in my right anterior thigh one day later. Serious?

Yes, but consider...: Yes, a ct biopsy can result in scar. However, the L3 nerve root supplies sensation to the anterior thigh. Most likely there is swelling around or irritation of this nerve root which could be expected after this procedure. If it doesn't resolve within a couple weeks, see your md. ...Read more

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I have ra, i had a mass on my chest, so they did ct-guided needle biopsy where the thymus is! doc has told me its not sarcoid, but could be lymphoma?

I have ra, i had a mass on my chest, so they did ct-guided needle biopsy where the thymus is! doc has told me its not sarcoid, but could be lymphoma?

Thymus: May be the source of the mass, and it could be invasive ornon-invasive. Thymomais associated with rheumatologic/auto-immune conditions. Lymphoma is another prospect, more rare are germ cell tumors (teratoma) and substernal thyroid. Sarcoid can involve any node bearing areas. ...Read more

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What is the definition or description of: ultrasound-guided abscess drainage?

What is the definition or description of: ultrasound-guided abscess drainage?

Pus Removal!: The abscess (pus pocket) is localized with ultrasound scanning (us). The area over the abscess is cleansed and local anesthesia placed. A needle or sometimes a catheter is inserted into the abscess while watching with the us. Pus is sent for culture studies. The needle is removed. A catheter may be left in place for days or longer and allowed to drain. Less invasive than surgical drainage. ...Read more

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Does abscess cause rib pain? Ct was negative

Does abscess cause rib pain? Ct was negative

Abscess: Yes, abscess in chest could cause pain in your rib cage. If you have abscess it should show up in ct scan. If it is negative then there may not be abscess. ...Read more

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Could a CT scan miss in abscess on the appendix.. Suspected appendicitis help?

Could a CT scan miss in abscess on the appendix.. Suspected appendicitis help?

Not likely: Ct scan is generally quite sensitive for the diagnosis of appendicitis, and the additional finding of an abscess from appendicitis would usually be seen quite easily. ...Read more

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Can CT show images of perforated bowel abscesses large fluid collection with an air level, and be WRONG????

Can CT show images of perforated bowel abscesses large fluid collection with an air level, and be WRONG????

Unlikely: It is unlikely that a CT would be wrong. It is a very good test for assessing abscesses and an air/fluid level is an excellent indication of perforated bowel. It could however have been read incorrectly but most radiologists are expert in reading CT scans. You should ask for a second radiologist to read the CT if you suspect an error. ...Read more

Discharge (Definition)

Discharge can be a noun or a verb; it has multiple meanings in physics, chemistry, military, and legal usage. The most common medical meaning is a substance that is being excreted. Examples: pus is the discharge from a pimple; a vaginal discharge can mean infection; an ear discharge can mean an infection of the outer ear tract; a nasal discharge ...Read more


Dr. Theodore Davantzis
2,498 doctors shared insights

Abscess (Definition)

Occurs when one has an infection in a part of their body, and the infection is being surrounded and fought off by white blood cells, causing a lump of purulent whitish thick material (pus) ...Read more