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Subdeltoid lipoma arborescens combined with rotator cuff tears.
Orthopedics 2013; 36(8):e1103-7O

Abstract

Lipoma arborescens, a rare benign intra-articular lesion, is characterized by lipomatous proliferation of the synovium in which the subsynovial tissue is replaced by mature adipocytes. Subdeltoid bursa is a rare location for lipoma arborescens, and only a few cases have been reported in the literature. This article reports 2 cases of subdeltoid lipoma arborescens combined with rotator cuff tears, and the possible relationships between subdeltoid lipoma arborescens and rotator cuff tears are discussed. The intra-articular villous proliferations on fat-suppressed T2-weighted magnetic resonance imaging appeared as yellowish-white lipomatous villous proliferations on arthroscopy, and finger-like lipomatous proliferation of the synovium, where the subsynovial connective tissue is replaced by mature adipocytes, on histology. Although further evidence would be necessary, the bony proliferations, in addition to bone-to-bone abrasion and inflammatory processes, may contribute to the relationship between subdeltoid lipoma arborescens and rotator cuff tears. Because this is a rare disease in a rare location, no established treatment guidelines are available for lipoma arborescens in subdeltoid bursa. For the current patients, arthroscopic excision of the lipoma arborescens and concomitant rotator cuff repair were prescribed after more than 6 months of conservative management. All patients had symptom relief and were satisfied with their results. Paying special attention to the radiologic and arthroscopic characteristics of the lipoma arborescens will help physicians and surgeons to achieve a more accurate diagnosis and effective treatment strategy, especially in patients with concomitant rotator cuff tears.

Authors

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Pub Type(s)

Case Reports
Journal Article

Language

eng

PubMed ID

23937762

Citation

Kim, Min-Hyung, et al. "Subdeltoid Lipoma Arborescens Combined With Rotator Cuff Tears." Orthopedics, vol. 36, no. 8, 2013, pp. e1103-7.
Kim MH, Chung SW, Yoon JP, et al. Subdeltoid lipoma arborescens combined with rotator cuff tears. Orthopedics. 2013;36(8):e1103-7.
Kim, M. H., Chung, S. W., Yoon, J. P., Kim, S. H., & Oh, J. H. (2013). Subdeltoid lipoma arborescens combined with rotator cuff tears. Orthopedics, 36(8), pp. e1103-7. doi:10.3928/01477447-20130724-33.
Kim MH, et al. Subdeltoid Lipoma Arborescens Combined With Rotator Cuff Tears. Orthopedics. 2013;36(8):e1103-7. PubMed PMID: 23937762.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Subdeltoid lipoma arborescens combined with rotator cuff tears. AU - Kim,Min-Hyung, AU - Chung,Seok Won, AU - Yoon,Jong Pil, AU - Kim,Sae Hoon, AU - Oh,Joo Han, PY - 2013/8/14/entrez PY - 2013/8/14/pubmed PY - 2014/4/4/medline SP - e1103 EP - 7 JF - Orthopedics JO - Orthopedics VL - 36 IS - 8 N2 - Lipoma arborescens, a rare benign intra-articular lesion, is characterized by lipomatous proliferation of the synovium in which the subsynovial tissue is replaced by mature adipocytes. Subdeltoid bursa is a rare location for lipoma arborescens, and only a few cases have been reported in the literature. This article reports 2 cases of subdeltoid lipoma arborescens combined with rotator cuff tears, and the possible relationships between subdeltoid lipoma arborescens and rotator cuff tears are discussed. The intra-articular villous proliferations on fat-suppressed T2-weighted magnetic resonance imaging appeared as yellowish-white lipomatous villous proliferations on arthroscopy, and finger-like lipomatous proliferation of the synovium, where the subsynovial connective tissue is replaced by mature adipocytes, on histology. Although further evidence would be necessary, the bony proliferations, in addition to bone-to-bone abrasion and inflammatory processes, may contribute to the relationship between subdeltoid lipoma arborescens and rotator cuff tears. Because this is a rare disease in a rare location, no established treatment guidelines are available for lipoma arborescens in subdeltoid bursa. For the current patients, arthroscopic excision of the lipoma arborescens and concomitant rotator cuff repair were prescribed after more than 6 months of conservative management. All patients had symptom relief and were satisfied with their results. Paying special attention to the radiologic and arthroscopic characteristics of the lipoma arborescens will help physicians and surgeons to achieve a more accurate diagnosis and effective treatment strategy, especially in patients with concomitant rotator cuff tears. SN - 1938-2367 UR - https://www.unboundmedicine.com/medline/citation/23937762/Subdeltoid_lipoma_arborescens_combined_with_rotator_cuff_tears_ L2 - http://www.healio.com/doiresolver?doi=10.3928/01477447-20130724-33 DB - PRIME DP - Unbound Medicine ER -