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Accessory Muscles of the Ankle
Clinical History: A 43 y/o female presents with Achilles region pain. An (1a) axial T1-weighted image is provided. What are the findings? What is the diagnosis? Findings Diagnosis Flexor Digitorum Accessorius Longus Introduction Multiple accessory, supernumerary, and anomalous…
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Hypothenar Hammer Syndrome
Clinical History: A 35 year old male carpenter presents with pain in the hypothenar region of the right hand and ischemia in the third, fourth and fifth fingers. (1a) An axial T1-weighted image and (1b) a coronal plane maximal intensity…
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Patellar Fat Pad Abnormalities
Clinical History: 25 year old female presents with a history of chronic lateral knee pain and instability. (1a) Axial and (1b) sagittal fat-suppressed proton density weighted images of the left knee are provided. What are the findings" What is your…
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Spondylolisthesis, Spondylolysis
Clinical History: A 22 year-old man presents with right-sided back pain which radiates to his right hip and leg. His symptoms began while running. (1a) T1- and (1b) T2-weighted sagittal and (1c) T2-weighted axial images of the lumbar spine are…
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Ventriculus Terminalis
Clinical History: A 47 year-old man presents with chronic right hip and leg pain. Reflexes are normal. No weakness is found on physical exam. The patient denies bowel or bladder dysfunction. (1a) T2-weighted sagittal and (1b) axial images of the…
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Apophyseal Avulsion Injury of the Pelvis
Clinical history: A 15 year-old male soccer player presents with left hip pain and weakness for four weeks without known injury. He has severe pain over the left anterior superior iliac spine (ASIS) after activity. (1a) An axial fat-suppressed T2-weighted…
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Intraosseous Lipoma
Clinical History: A 16 year old male complains of intermittent right heel pain for 7 years, with a recent increase after sports activities. Plain radiographs suggest a "bone cyst". (1a,1b) Sagittal and axial T1-weighted and (1c,1d) STIR images were obtained.…
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Spine Nomenclature
Clinical History: A 32-year old female presents with back and left leg pain. (1a) T2-weighted sagittal and (2a) T1-weighted axial images are provided. The best diagnosis in this case is: Herniated nucleus pulposus Disc protrusion Disc extrusion Disc sequestration…
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Longitudinal Stress Fracture
Two patients with the same diagnosis: What are the findings? What is your diagnosis? Findings Diagnosis Longitudinal stress fracture of the tibia. Introduction Marrow edema visible on MRI can have multiple etiologies, and may raise concerns of malignancy…
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Meniscal Tear Patterns
A gradient-echo T2*-weighted sagittal image demonstrates a tear within the posterior horn of the medial meniscus (arrow). The preferred nomenclature for this tear pattern is: A. Radial Tear B. Horizontal Tear C. Vertical Tear D. Longitudinal Tear E. Oblique Tear…
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Spring Ligament Tear
Clinical History: A 59 year-old male with a 3 year history of medial ankle pain is referred for MR imaging. (1a) Fat-suppressed proton density-weighted coronal and (1b) T2-weighted axial oblique images are provided. What are the findings" What is your…
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Oblique Meniscomeniscal Ligament
Clinical History: A 14 year-old female presents with medial knee pain after a basketball injury. (1a) T1-weighted sagittal and (1b) fat-suppressed proton density-weighted axial images are provided. What are the findings" What is your diagnosis? Findings Diagnosis Oblique Meniscomeniscal Ligament…
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