{"id":619,"date":"2020-02-14T07:15:26","date_gmt":"2020-02-14T07:15:26","guid":{"rendered":"https:\/\/meddists.com\/learn\/?page_id=619"},"modified":"2020-02-14T07:15:26","modified_gmt":"2020-02-14T07:15:26","slug":"fibrous-tumors","status":"publish","type":"page","link":"https:\/\/meddists.com\/learn\/pre-clinical\/pathology\/soft-tissue-tumors\/fibrous-tumors\/","title":{"rendered":"Fibrous tumors"},"content":{"rendered":"\n

Fibrous tumors are caused by fibroblastic and myofibroblastic proliferation.<\/p>\n\n\n\n

Benign tumors<\/h3>\n<\/span>\n\n<\/span>\n

Nodular fasciitis<\/h4>\n<\/span>\n\n\n
  • Fast-growing<\/li>
  • Self-limited<\/li>
  • Appear as nodules deep to the skin (hence the name)<\/li>
  • May mimic sarcoma:
    • Hypercellular<\/li>
    • Abundant mitoses<\/li><\/ul><\/li>
    • In many cases, grows following a traumatic injury to the region<\/li><\/ul>\n\n\n<\/span>\n

      Fibromatoses<\/h4>\n<\/span>\n\n\n
      • Slow-growing<\/li>
      • Locally invasive (“aggressive”)<\/li>
      • Appear as large fibrous and cord-like sheets of CT underneath the skin<\/li>
      • Often affects the structure and functionality<\/li>
      • Gender predisposition: \u2642<\/li>
      • Can be classified according to the location of the tumor:
        • Superficial
          • Palmar fibromatosis<\/strong>
            • Also known as Dupuytren contracture<\/li>
            • Affects the palmar surface of the hands, often limiting the ability to extend one’s fingers<\/li><\/ul><\/li>
            • Plantar fibromatosis<\/strong>
              • Affects the plantar surface of the feet<\/li><\/ul><\/li>
              • Penile fibromatosis<\/strong>
                • Also known as Peyronie disease<\/li>
                • Usually affects the dorsal surface of the penile shaft<\/li>
                • Can cause curving of the penis — strabismus<\/li><\/ul><\/li><\/ul><\/li>
                • Deep
                  • Aggressive fibromatosis<\/strong>
                    • Also known as Desmoid tumor<\/li>
                    • Highly infiltrative<\/li>
                    • Affects deep tissues<\/li><\/ul><\/li><\/ul><\/li><\/ul><\/li><\/ul>\n\n\n<\/span>\n

                      Malignant tumors<\/h3>\n<\/span>\n\n<\/span>\n

                      Fibrosarcoma<\/h4>\n<\/span>\n\n\n
                      • Arises from deep connective tissue<\/strong> (fascia, scar tissue, periosteum,\u00a0and tendons)<\/li>
                      • Usually, sharply demarcated<\/li>
                      • Tumor tissue frequently contains sites of hemorrhage and necrosis<\/li>
                      • Relatively infrequent (3% of adult sarcomas)<\/li><\/ul>\n<\/span>

                        Benign tumors<\/h3>

                        Nodular fasciitis<\/h4>

                        Fibromatoses<\/h4>

                        Malignant tumors<\/h3>

                        Fibrosarcoma<\/h4><\/div>","protected":false},"excerpt":{"rendered":"

                        Fibrous tumors are caused by fibroblastic and myofibroblastic proliferation. Benign tumors Nodular fasciitis Fast-growing Self-limited Appear as nodules deep to the skin (hence the name) May mimic sarcoma: Hypercellular Abundant mitoses In many cases, grows following a traumatic injury to the region Fibromatoses Slow-growing Locally invasive (“aggressive”) Appear as large fibrous and cord-like sheets of […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":607,"menu_order":4,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-619","page","type-page","status-publish","hentry"],"yoast_head":"\nFibrous tumors – Meddists<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/meddists.com\/learn\/pre-clinical\/pathology\/soft-tissue-tumors\/fibrous-tumors\/\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" 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