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An unusual variation of deltoid muscle  [cached]
Kamburoglu Haldun,Boran Omer,Sargon Mustafa,Kecik Abdullah
International Journal of Shoulder Surgery , 2008,
Abstract: An unusual anatomic variation of the deltoid muscle was found in a 45-year-old female cadaver during dissection of the right upper extremity. The posterior fibers of the right deltoid muscle were enclosed in a distinct fascial sheet and the deltoid muscle was seen to arise from the middle 1/3 of the medial border of the scapula. There was no accompanying vascular or neural anomaly of the deltoid muscle. To the best of our knowledge, unilateral posterior separation of the deltoid muscle with a distinct fascia has not been described previously. While dissecting deltoid, posterior deltoid, or scapular flaps, the surgeon needs to look out for this variation because it may cause confusion.
An Unusual Location of Ossified Intramuscular Lipoma: A Case Report
Khodamorad Jamshidi,Iman Qomashi,Mehdi Ramezan Shirazi
Acta Medica Iranica , 2011,
Abstract: "nLipoma is the most common soft tissue tumor but the presence of osseous component within the tumor is quite rare. Some studies show that less than 1% of lipomas were ossified. We describe the histological, radiological and diagnostic features of an ossified intramuscular lipoma. To the best of the authors' knowledge, a symptomatic ossified intramuscular lipoma without any cortical erosion and hyperostosis has not been previously reported in the literature.
Teaching best-evidence: Deltoid intramuscular injection technique  [cached]
Kathleen Marie Davidson,Liam Rourke
Journal of Nursing Education and Practice , 2013, DOI: 10.5430/jnep.v3n7p120
Abstract: Intramuscular injection of vaccines and medications into the deltoid muscle is a long-established nursing practice. The deltoid muscle is the preferred site for intramuscular injections to adult clients in community settings, as it requires minimal, generally socially-acceptable, exposure of the client’s body, and is easily accessible to the professional administering the injection. Nursing students learning to administer deltoid intramuscular injections raise excellent questions about deltoid intramuscular injection technique, in particular around landmarking technique, the use of bunching or flattening technique, and selection of needle length. Surprisingly little empirical evidence to guide the nurse, or to answer student questions about, administering deltoid intramuscular injections was found in the nursing and allied health literature. This article examines deltoid intramuscular injection practice with particular emphasis on teaching nursing students best practice.
Intramuscular (infiltrating) Lipoma  [cached]
P Sridhar Reddy,,Ananth Naag,,Bina Kashyap
Online Journal of Health & Allied Sciences , 2011,
Abstract: Intraoral lipomas are benign and relatively rare tumors, although they occur with higher frequencies in other areas, most especially the back, abdomen and shoulders of adults. They have no gender predilection and predominantly affect the buccal mucosa. This paper describes a case of intramuscular (infiltrating) lipoma on the buccal mucosa of a 60-year old male which is relatively rare when compared to simple lipoma of buccal mucosa, and review pertinent literature.
Spindle Cell Hemangioendothelioma of the Temporal Muscle Resected with Zygomatic Osteotomy: A Case Report of an Unusual Intramuscular Lesion Mimicking Sarcoma
Tomohiro Minagawa,Takeshi Yamao,Ryuta Shioya
Case Reports in Surgery , 2011, DOI: 10.1155/2011/481654
Abstract: Spindle cell hemangioendothelioma (SCH) was originally described by Weiss and Enzinger (1986) as a low-grade angiosarcoma resembling both cavernous hemangioma and Kaposi's sarcoma. Recent studies suggest that SCH is a benign neoplasm or reactive lesion accompanying a congenital or acquired vascular malformation. Most SCHs present as one or more nodules affecting the dermis or subcutis of the distal extremities. Few reports describe SCH of the head and neck region; even fewer note intramuscular SCH. Here, we describe a case of SCH involving the temporal muscle mimicking soft tissue sarcoma, who had a successful surgical treatment with a coronal approach and zygomatic osteotomy.
Type-selective muscular degeneration promotes infiltrative growth of intramuscular lipoma
Kanji Mori, Tokuhiro Chano, Keiji Matsumoto, Michihito Ishizawa, Yoshitaka Matsusue, Hidetoshi Okabe
BMC Musculoskeletal Disorders , 2004, DOI: 10.1186/1471-2474-5-20
Abstract: In the present study, we focused on pathologic changes of the surrounding skeletal muscles especially to the degenerative features of involving muscular types, and evaluate the role of type-selective muscular degeneration for the infiltrative growth of intramuscular lipomas. Following a review of the medical records in our institute, 17 lesions containing muscle tissues in their specimens (15 infiltrating lipomas, 2 well-circumscribed lipomas) were analyzed immunohistochemically. The tumor from the most recent case was also subjected to ultrastructural analysis. Two cases of the traumatic muscle damage were also evaluated as the control experiments.These analyses revealed type-selective muscle involution in 11 of 17 intramuscular lipomas and in 10 of 11 of the infiltrative type, with an involving pattern that resembled that of a neurogenic or myogenic disorder. Immunoreactivity to cathepsin-D, a lysosomal catabolic enzyme, was increased in the involved muscle fibers. Subsarcolemmal vacuoles in the muscle fibers of the peripheral areas were also positive for cathepsin-D, while degenerative findings were not visually apparent in these areas. Ultrastructural analysis revealed degenerative changes in those fibers. Neither positive staining for cathepsin-D nor type-selective atrophy was detected in the sections of traumatic muscle damage.Our findings suggest that type-selective muscular degeneration and endomysial fatty growth as a result of atrophy may modulate the infiltrating growth characteristic of intramuscular lipoma.An intramuscular lipoma is a relatively common benign neoplasm that causes concern for both clinicians and pathologists, because of its large size, deep location, and infiltrating growth, which has led to its description as an infiltrating lipoma. Typically benign tumors show a clear margin, however, the infiltrative growth pattern of this tumor mimics that of a malignant one. Further, its growth has an effect on the numbers of muscle bundles, though
Intramuscular lipoma of the pectoralis major muscle.  [cached]
Gopal U,Patel M,Wadhwa M
Journal of Postgraduate Medicine , 2002,
Deltoid contracture: A study of nineteen cases  [cached]
Banerji Debabrata,De Chinmay,Pal Ananda,Das Sunil
Indian Journal of Orthopaedics , 2008,
Abstract: Objective: Deltoid contracture is not uncommon in India. Contractures of deltoid often do not have definite etiology. We have critically analyzed the condition as regards the etiopathogenesis and its surgical results. Materials and Methods: Nineteen patients with deltoid contracture operated between June 1990 and September 2001 were enrolled for a unicentric retrospective study. The surgery was indicated in patients with abduction deformity of more than 30° at the shoulder. The etiology of deltoid contracture was idiopathic ( n = 13) intramuscular injection in deltoid muscle ( n = 5) and blunt trauma ( n = 1). All were operated by distal release (incision near the insertion of the deltoid muscle). The average follow-up was of 9.5 years (range 6-17 years). They were evaluated based on parameters like pain, persistence of deformity, range of shoulder movements and strength of deltoid. Results: All patients recovered painless full range of shoulder motion except one. The correction of deformity was achieved in all patients and there was no loss of strength of deltoid compared to the opposite side. Histology of excised tissue showed features of chronic inflammation. The complications observed were hypertrophic scar ( n = 1), painful terminal restriction of shoulder movements ( n = 1) and prominent vertebral border of scapula ( n = 1). Conclusion: Deltoid contracture has features of chronic inflammation, and the intramuscular deltoid injection is the most incriminating factor in its etiopathogenesis. The condition can be effectively managed surgically by distal release of the deltoid muscle combined with excision of the muscular fibrotic contracture band.
Tarkan ?al??aneller,?zgür ?zdemir,Halil K?y?c?,Elif Karadeli
Marmara Medical Journal , 2009,
Abstract: Intramuscular lipoma is a deep-seated lipoma that arises in the muscle and, due to its infiltrative nature mimicking malignant tumors, it poses a great concern for clinicians and pathologists. Presentation of an intramuscular lipoma in the paraspinal muscles is extremely rare. In this report, we presented a rare case of thoracolumbar paraspinal infiltrative lipoma complicated with paravertebral abscess in a chronic renal failure patient.
Full recovery of muscle function after delayed primary repair of deltoid muscle detachment  [cached]
Akgun Umut,Kocaoglu Baris,Karahan Mustafa
International Journal of Shoulder Surgery , 2008,
Abstract: Detachment of the deltoid muscle and tendon is a rare complication that is reported to result in poor outcome after rotator cuff surgery. We performed a delayed primary repair of the detached deltoid in a 53-year-old female patient who underwent an open acromioplasty procedure. A successful result was achieved after surgical restoration of the deltoid muscle origin back to the acromion. At 25 months′ follow-up the patient had recovered almost the full range of motion of the glenohumeral joint and was free of pain. Due to lack of literature on this rare condition, there are no well-defined treatment principles for the management of deltoid muscle detachments that develop as a complication of rotator cuff surgery. This paper describes a repair procedure for the management of deltoid muscle detachments. In addition, it discusses the importance of the guidelines that have to be followed during primary rotator cuff surgery.
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