{"id":1825,"date":"2024-07-31T15:55:43","date_gmt":"2024-07-31T14:55:43","guid":{"rendered":"https:\/\/www.nrd.pt\/exames\/ct-knee"},"modified":"2026-01-30T13:58:59","modified_gmt":"2026-01-30T13:58:59","slug":"ct-knee","status":"publish","type":"exames","link":"https:\/\/www.nrd.pt\/en\/exams\/ct-tomography\/ct-knee","title":{"rendered":"CT Knee"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Knee CT provides detailed images of the bony structures and of the femorotibial and patellofemoral joints, supporting the diagnosis of fractures, misalignments and post-traumatic sequelae.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">What is a Knee CT scan and what is it for?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Knee CT is a high-resolution computed tomography scan of the distal femur, proximal tibia and patella, useful in the assessment of intra-articular fractures, bone healing and surgical planning. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">It is often requested when X-ray is not conclusive or when accurate three-dimensional measurements are required.<\/span><\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-2436 size-medium\" src=\"https:\/\/www.nrd.pt\/wp-content\/uploads\/2024\/07\/tac-joelho-257x300.jpg\" alt=\"knee CT scan\" width=\"257\" height=\"300\" srcset=\"https:\/\/www.nrd.pt\/wp-content\/uploads\/2024\/07\/tac-joelho-257x300.jpg 257w, https:\/\/www.nrd.pt\/wp-content\/uploads\/2024\/07\/tac-joelho.jpg 600w\" sizes=\"(max-width: 257px) 100vw, 257px\" \/><\/p>\n<h2><span style=\"font-weight: 400;\">How much does a Knee CT scan cost?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">The price of a Knee CT scan when performed on a <\/span><b>private basis<\/b><span style=\"font-weight: 400;\"> is <\/span><b>\u20ac100.<\/b><\/p>\n<p><span style=\"font-weight: 400;\">However, you can have a Knee CT scan through several <\/span><b>agreements<\/b><span style=\"font-weight: 400;\">, including:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>SNS \/ ARS<\/b><span style=\"font-weight: 400;\">: When a Knee CT scan is performed through the SNS,<\/span><b> the patient does not pay<\/b><span style=\"font-weight: 400;\"> any amount (it is necessary to bring the Health Centre prescription);<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>ADSE<\/b><span style=\"font-weight: 400;\">: If the Knee CT scan is performed through ADSE, the patient only pays a fee of <\/span><b>\u20ac16<\/b><span style=\"font-weight: 400;\">;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>IASFA, ADM GNR, SAD PSP<\/b><span style=\"font-weight: 400;\">;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Insurance companies: <\/b><span style=\"font-weight: 400;\">M\u00e9dis, Multicare, Advance Care, Allianz, Sa\u00fade Prime, Future HealthCare, SS CGD, SAMS Quadros, SAMS, Montepio, RNA, Generali, Mudum, MGEN, Aegon, Vit\u00f3ria, Una Seguros, other insurers. In this case, the price of the Knee CT scan varies depending on the insurance you use.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Health Plans: <\/b><span style=\"font-weight: 400;\">Medicare, Sa\u00fade Prime, Future HealthCare, Continente Wells, ACP, other health plans. In this case, the price of the Knee CT scan varies depending on the health plan you use.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Protocols<\/b><span style=\"font-weight: 400;\">: NRD has protocols with several clinics and institutions that allow you to undergo the exam at very competitive prices. In the case of a Knee CT scan, the protocol price is <\/span><b>\u20ac80<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<h2><span style=\"font-weight: 400;\">How is it performed?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">The Knee CT scan is performed with the patient lying on the scanner table (open at both ends), with the knee immobilised.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The exam lasts around 10 to 15 minutes.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">NRD has a latest-generation Philips 128-slice scanner, which provides sharp images with a low radiation dose, ensuring safety and effectiveness in every exam.<\/span><\/p>\n<p><img decoding=\"async\" class=\"alignnone wp-image-1680 size-full\" src=\"https:\/\/www.nrd.pt\/wp-content\/uploads\/2024\/07\/tac.jpg\" alt=\"Knee CT scan\" width=\"1200\" height=\"900\" srcset=\"https:\/\/www.nrd.pt\/wp-content\/uploads\/2024\/07\/tac.jpg 1200w, https:\/\/www.nrd.pt\/wp-content\/uploads\/2024\/07\/tac-300x225.jpg 300w, https:\/\/www.nrd.pt\/wp-content\/uploads\/2024\/07\/tac-1024x768.jpg 1024w, https:\/\/www.nrd.pt\/wp-content\/uploads\/2024\/07\/tac-768x576.jpg 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<h2><span style=\"font-weight: 400;\">What does it detect?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">A Knee CT scan can detect bony and joint changes, such as:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Fractures and intra-articular fracture lines;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Misalignments, incongruences and patellofemoral changes;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Osteoarthritis, osteophytes and subchondral cysts (geodes);<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Subchondral bone lesions and post-traumatic sequelae;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Bone tumours and cysts;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Signs of bone or joint infection;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Among others.<\/span><\/li>\n<\/ul>\n<h2><span style=\"font-weight: 400;\">In which cases is it indicated?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">A Knee CT scan is generally requested by the doctor in situations such as:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Trauma with suspected complex fracture;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Surgical planning (osteosynthesis, prostheses, osteotomies);<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Chronic knee pain with inconclusive X-ray;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Assessment of misalignments and patellar instability;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Suspected bone infection or tumour;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Postoperative follow-up and assessment of bone healing;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Among others.<\/span><\/li>\n<\/ul>\n<h2><span style=\"font-weight: 400;\">Knee CT with Contrast<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">A Knee CT scan is usually performed without contrast. In selected cases (infection, tumours, inflammation), intravenous contrast may be used. The injection may cause a transient sensation of warmth or metallic taste. Fasting for 4 hours is usually required (you will be informed at the time of booking).<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Preparing for a Knee CT scan<\/span><\/h2>\n<table>\n<tbody>\n<tr>\n<td><b>Topic<\/b><\/td>\n<td><b>Guidance<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Exam prescription (paper copy)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">You should bring the exam prescription in paper format.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Fasting<\/span><\/td>\n<td><span style=\"font-weight: 400;\">If the exam is performed with contrast, you must fast for 4 hours. When the exam is performed without contrast, fasting is not required.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Arriving early<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Generally, you only need to arrive 15 minutes before the exam, except in cases where oral contrast will be used. In that case, you should arrive 1 to 2 hours before the exam (you will be informed at the time of booking).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Previous exams<\/span><\/td>\n<td><span style=\"font-weight: 400;\">You should bring any relevant previous exams.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Previous medical history<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Keep in mind your previous medical history regarding allergies, cardio-respiratory and kidney diseases, and usual medication.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Water<\/span><\/td>\n<td><span style=\"font-weight: 400;\">If necessary or if you wish, you may drink water.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>NRD will provide you with all the necessary instructions at the time of booking.<\/strong><\/p>\n<p><span style=\"font-weight: 400;\">Remain still to avoid artefacts on the images.<\/span><\/p>\n<h2>When and how do you receive the results?<\/h2>\n<p><span style=\"font-weight: 400;\">You will receive the CT scan results within up to 7 days after the exam, by email or in paper form at the clinic. On the day of the exam, you will take the CD with the images with you. <\/span><\/p>\n<h2>Where to have it done?<\/h2>\n<p><span style=\"font-weight: 400;\">The Knee CT scan can be performed at NRD, at the following address: <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Avenida Columbano Bordalo Pinheiro, n\u00ba 11-B, ground floor, 1070 &#8211; 060 Lisbon (next to Pra\u00e7a de Espanha)<\/span><\/p>\n","protected":false},"featured_media":0,"parent":1904,"menu_order":0,"template":"","class_list":["post-1825","exames","type-exames","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.nrd.pt\/en\/wp-json\/wp\/v2\/exames\/1825","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nrd.pt\/en\/wp-json\/wp\/v2\/exames"}],"about":[{"href":"https:\/\/www.nrd.pt\/en\/wp-json\/wp\/v2\/types\/exames"}],"up":[{"embeddable":true,"href":"https:\/\/www.nrd.pt\/en\/wp-json\/wp\/v2\/exames\/1904"}],"wp:attachment":[{"href":"https:\/\/www.nrd.pt\/en\/wp-json\/wp\/v2\/media?parent=1825"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}