Histogenesis Benign Intermediate (locally aggressive and/or rarely metastasizing) Malignant [low-grade lesions if not dedifferentiated] Fibrogenic and fibrohistiocytic Histiocytic fibroma Desmoplastic fibroma Fibrosarcoma Benign fibrous histiocytoma Chondrogenic Osteochondroma Chondromyxoid fibroma Chondrosarcoma…
Piero Picci, Marco Manfrini, Nicola Fabbri, Marco Gambarotti and Daniel Vanel (eds.)Atlas of Musculoskeletal Tumors and Tumorlike Lesions2014The Rizzoli Case Archive10.1007/978-3-319-01748-8_3 © Springer International Publishing Switzerland 2014 3. General Principles of Bone Pathology Marco Gambarotti1 (1) Department of Anatomy…
TRAPEZIUS Greek, trapezoides, table shaped. The left and right trapezius, viewed as a whole, create a trapezium in shape, thus giving this muscle its name. Origin Base of skull (occipital…
GLUTEUS MAXIMUS Posterior view, right leg. Greek, gloutos, buttocks; maximus, biggest. The gluteus maximus is the most coarsely fibred and heaviest muscle in the body, forming the bulk of the…
ERECTOR SPINAE (SACROSPINALIS) Latin, sacrum, sacred; spinalis, spinal. The erector spinae, also called sacrospinalis, comprises three sets of muscles organised in parallel columns. From lateral to medial, they are: iliocostalis,…
PRONATOR TERES Anterior view, right arm. Latin, pronate, bent forward; teres, rounded, finely shaped. Origin Humeral head: Common flexor origin on the anterior aspect of the medial epicondyle of humerus,…
TIBIALIS ANTERIOR Anterior view, right leg. Latin, tibia, pipe or flute, shinbone; anterior, before. Origin Upper half of lateral and anterior surface of tibia (including lateral condyle of tibia). Insertion…
EPICRANIUS (OCCIPITOFRONTALIS) Greek, epi-, above, upon; cranium, skull. This muscle is effectively two muscles (occipitalis and frontalis), united by an aponeurosis called the galea aponeurotica, so named because it forms…
Anatomical Directions To describe the relative position of body parts and their movements, it is essential to have a universally accepted initial reference position. The standard body position known as…
Case 12 History and Physical Examination A 19-year-old man presents 5 days following an injury to his shoulder while playing touch football. He reports an inability to use his arm…
