Pseudotumoral Lesions

Nov 22, 2017 by in MUSCULOSKELETAL IMAGING Comments Off on Pseudotumoral Lesions

Fig. 21.1 Accessory palmaris longus muscle in a 15-year-old boy. Axial T1-weighted MR image after gadolinium contrast injection. The MR image reveals an additional mass, located superficially of the flexor…

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Adipocytic Tumors

Nov 22, 2017 by in MUSCULOSKELETAL IMAGING Comments Off on Adipocytic Tumors

Fig. 12.1 (a–d) Subcutaneous lipoma in the left thigh overlying gracilis (*). (a) Ultrasound. (b) Axial SE T1-weighted MR image. (c) Axial fat-suppressed T2-weighted MR image. (d) Coronal SE T1-weighted…

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Synovial Lesions

Nov 22, 2017 by in MUSCULOSKELETAL IMAGING Comments Off on Synovial Lesions

  Communication with joint Wall composition Cell lining Contents (Arthro)synovial cyst Present Continuous mesothelial lining “True” synovial cells Mucinous fluid Ganglion (cyst) May be present Discontinuous mesothelial lining Flattened pseudosynovial…

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Vascular Tumors

Nov 22, 2017 by in MUSCULOSKELETAL IMAGING Comments Off on Vascular Tumors

Benign vascular tumors Hemangiomas of subcutaneous/deep soft tissue  Capillary  Cavernous  Arteriovenous  Venous  Intramuscular  Synovial Epithelioid hemangioma Angiomatosis Lymphangioma Vascular tumors of intermediate malignancy (locally aggressive) Kaposiform hemangioendothelioma Vascular tumors of…

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Nerve Sheath Tumors

Nov 22, 2017 by in MUSCULOSKELETAL IMAGING Comments Off on Nerve Sheath Tumors

Fig. 17.1 (a, b) Nerve sheath architecture: (a) components of a nerve fiber surrounded by endoneurium. (b) Nerve trunk with five fascicles in group arrangement (Source: Penkert et al. [104])…

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