TLA stands for various terms. Discover the full forms, meanings, and possible interpretations of TLA across different fields and industries.
The airspace between the transition altitude and the transition level. Aircraft descending through the transition layer will use altimeters set to local station pressure, while departing aircraft climbing through the layer will be using standard altimeter (QNE) of 29.92 inches of Mercury, 1013.2 millibars, or 1013.2 hectopascals.
MilitaryThe Translabyrinthine Approach (TLA) is a surgical technique primarily used in the field of otolaryngology to access the internal auditory canal and cerebellopontine angle. This method involves removing the mastoid bone and parts of the inner ear, specifically the labyrinth, to reach tumors or other pathologies located in these areas. The approach is often employed for the removal of vestibular schwannomas, offering direct visualization of the facial nerve and minimizing brain retraction.
Despite its effectiveness, the TLA is associated with certain risks, including hearing loss on the operated side, given the involvement of the inner ear structures. Surgeons meticulously plan and execute this procedure to preserve as much function as possible, leveraging advanced imaging techniques for preoperative assessment. The choice of this approach over others depends on various factors, including tumor size, patient hearing status, and the surgeon's expertise, highlighting its specialized role in medical practice.
MedicalA Translumbar Aortogram (TLA) is a diagnostic imaging procedure used in the Medical field to visualize the aorta and its major branches. This invasive technique involves the insertion of a contrast dye directly into the aorta through a needle placed in the lumbar region, followed by X-ray imaging to assess blood flow and detect abnormalities such as aneurysms or blockages. The procedure is typically performed when less invasive methods are contraindicated or unavailable, providing critical information for vascular surgery planning.
The Translumbar Aortogram carries risks, including bleeding, infection, and contrast-induced nephropathy, necessitating careful patient selection and preparation. Advances in non-invasive imaging technologies, such as CT and MR angiography, have reduced the frequency of TLAs, but they remain a valuable tool in specific clinical scenarios. The procedure's ability to deliver high-quality images of the aortic anatomy underscores its enduring relevance in diagnostic radiology and vascular medicine.
ClinicalHealthcareMedicalMedicineTranslumbar Aortography (TLA) is a diagnostic procedure used in the medical field to visualize the aorta and its branches by injecting a contrast medium directly into the aorta through a needle inserted in the lumbar region. This technique, though less commonly used today due to advancements in non-invasive imaging technologies, provides detailed images that are crucial for diagnosing various aortic conditions, including aneurysms and dissections.
The procedure requires precise skill to avoid complications such as bleeding or damage to surrounding tissues. Despite its invasive nature, TLA offers high-quality images that are invaluable in planning surgical interventions. It remains a testament to the evolution of medical imaging techniques, bridging the gap between early invasive methods and modern, less invasive diagnostic tools.
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