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Lower Extremity David S. Hartman, M.D. Department of Radiology Goals 1. To teach clinically relevant gross anatomy 2. To make it easier to understand gross anatomy 3. To introduce a clinical lexicon Organization 1. 4 presentations to the entire class 1. 2. 3. 4. Lower extremity/thorax Abdomen/pelvis/perineum Upper extremity/back Head and neck 2. Optional review session before each examination Examinations 1. 4 radiolgic unknowns on each examination 2. Images used for the exams are displayed in the lab 3. Each examination unknown is labeled in PowerPoint Cases in MDL \\hersheymed.net\files\MMS\Public\education\radiology\lab-thorax-8-2007.pps Cases can be viewed by any computer in the institution Learning Objectives: Identify all objects indicated by arrows on the radiolgical images in this presentation The same images are on the computers in the lab Radiographic Anatomy Of The Foot Frontal foot Metatarsals Cuneiforms Navicular Cuboid Talus Calcaneus 488 AP Foot Metatarsals Medial Cuneiform Intermediate Cuneiform Cuboid Navicular Talus Oblique Foot Metatarsals Lateral Cuneiform Cuboid Navicular Talus Lateral cuneiform Metatarsals Cuboid Talus Calcaneus Lateral Foot 489 Navicular Cuboid Lateral Foot Talus Calcaneus Fell from ladder Fracture calcaneus Angiographic Anatomy of the Lower Extremity Anterior Thigh External iliac artery Inguinal ligament Common femoral artery Profunda femoris artery Superficial femoral artery 477 Common femoral art Profunda femoris art Superficial femoral art Posterior Knee Popliteal artery Anterior tibial artery Peroneal artery Posterior tibial art LAT MEDIAL 483 Anterior Knee Anterior tibial artery Lat MEDIAL 485 Anterior Ankle Medial Anterior tibial artery Dorsalis pedis artry 485 AP Knee Superficial femoral artery Popliteal artery Anterior tibial artery Posterior tibial artery Peroneal artery LATERAL Lateral Ankle Posterior Tibial Artery Anterior Tibial Artery Dorsalis Pedis Artery Rt Femoral Angiogram 66YO smoker, claudication Marked narrowing of the SFA with extensive collaterals which will reconstitute the popliteal a Following angioplasty MR Anatomy of the Knee Viewing Multiplanar Images (CT, MR, US) View as though facing the patient Axial section Right Left Axial CT image with contrast Anterior Heart Right Liver Lung Left Posterior By convention we look from below Coronal Right Left Coronal suture Coronal CT image with contrast Superior Right Lung Right Left Heart Inferior By convention view the image as though facing the patient Sagital Sagital suture Sagital CT image with contrast Superior Aorta Anterior Posterior Heart Inferior By convention view the image as though the patient is facing to our left MR Anatomy of the Knee (Sagital) Left Knee From Above ANT LAT Medial Meniscus Anterior Cruciate Lateral Meniscus Posterior Cruciate 474 Sagital knee FEMUR Quadriceps tendon Patella Meniscus Anterior horn Posterior horn Patella tendon TIBIA 476 Parasagital Cut Lateral Medial Knee MR, Most Medial Parasagital Medial femoral condyle Medial condyle of tibia Medial meniscus Anterior horn Post horn Gastrocnemius Anterior cruciate Lateral meniscus Fibula Posterior cruciate Medial meniscus Tibia Right Knee from the Front 475 Right Knee, Posterior View Medial condyle Medial meniscus Posterior cruciate ligament Medial Lateral condyle Lateral meniscus Anterior cruciate ligament Lateral 475 Parasagital Cut LATERAL MEDIAL Knee MR, Medial Parasagital Femur Posterior cruciate Gastrocnemius muscle Tibia 32 YO man, knee pain Ruptured posterior cruciate ligament Parasagital Cut LATERAL MEDIAL Knee MR, Lateral Medial Parasagital Femur Tibia Anterior cruciate ligament Parasagital Cut LATERAL MEDIAL Knee MR, Most Lateral Parasagital Quadriceps tendon Patella Patella tendon Lateral femoral condyle Lateral meniscus Ant horn Post horn Lateral condyle of the tibia Lower Extremity David S. Hartman, M.D. Department of Radiology
