Lipomas of the upper extremity

Phalen, George S.; Kendrick, James I.; Rodríguez, Juan Manuel

doi:10.1016/0002-9610(71)90208-x

Cited by 99 publications

(42 citation statements)

References 14 publications

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“…Lipomas are one of the most frequently encountered benign mesenchymal tumours composed of mature fat tissue, commonly found in the superficial subcutaneous tissues of the extremities and trunk [4]. Lipomas occur more frequently in female patients, presumably due to their tendency to accumulate more adipose tissue.…”

Section: Discussionmentioning

confidence: 99%

An unusual case of an intramuscular lipoma of the biceps brachii

Lahrach¹,

Kadi²,

Mezzani³

et al. 2013

Pan Afr Med J

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Lipomas are common benign neoplasms consisting of mature fatty tissue. They are usually of roundish or ovoid shape and are situated in a single anatomical region. They most frequently occur on the back and in the extremities. Most lipomas are subcutaneous and require no imaging evaluation. When deep, large and unusual in location, MRI can identify and localise these tumours and is the best exploration to differentiate lipoma and lipo-sarcoma. We describe a case of a patient with an intramuscular lipoma of the biceps brachii.

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Section: Discussionmentioning

confidence: 99%

An unusual case of an intramuscular lipoma of the biceps brachii

Lahrach¹,

Kadi²,

Mezzani³

et al. 2013

Pan Afr Med J

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“…Lipoma cells are believed to arise from mesenchymal primordial fatty tissue cells and tend to increase in size with body weight gain [12]. When located close to vital structures such as joints, giant lipomas may cause functional limitations on account of their excessive size and weight [13] or lymphedema, pain, or nerve compression syndromes [12, 14]. For a lipoma to be referred to as “giant”, the lesion should be at least 10 cm in diameter [15].…”

Section: Discussionmentioning

confidence: 99%

“…In our case, although the lesion was only 6 cm in diameter, given the narrow space of the infrapatellar region, it caused serious limitations in knee flexion as well as pain. The malignant transformation of a lipoma into a liposarcoma is rare [16] as is the sarcomatous transformation of giant lipomas [12, 17]. It is important to differentiate giant lipomas from liposarcomas, malignant fibrous histiocytomas, and other benign soft-tissue lesions.…”

Section: Discussionmentioning

confidence: 99%

Fibrolipoma with Osseous and Cartilaginous Metaplasia of Hoffa’s Fat Pad: A Case Report

Gigis

2012

Case Reports in Orthopedics

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The most common benign tumors of the mesenchyme are the lipomas. Benign fatty tumors can arise in any location in which fat is present. Fibrolipomas are characterised by fat modules. Most patients affected by such tumors are in the fifth or sixth decade of life. When very close to vital structures such as joints, they may cause functional limitations as well as pain. Osseous and chondroid metaplasia can infrequently manifest after chronic persistence. Given the rarity of this condition, a case of a big fibrolipoma of Hoffa's fat pad with osseous and cartilaginous metaplasia is reported. A 44-year-old woman presented with an enlarging soft mass on the right knee in the infrapatellar fat pad. After a thorough preoperative clinical and imaging examination, the mass was removed and sent to laboratory where the diagnosis was put. One year after surgery, both local and general condition of the patient were good and no signs of recurrence were found.

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“…Good results can be obtained with surgical treatment, but, as with large tumors located elsewhere, these require a thorough pre-operative assessment [9]. MRI scan is very helpful in planning surgery as it clearly shows the extent of the tumor and its relation to important structures [10]. A previous analysis of 134 cases revealed that MRI gave the correct diagnosis in 94% of cases [1].…”

Section: Discussionmentioning

confidence: 99%

Complications arising from a misdiagnosed giant lipoma of the hand and palm: a case report

2011

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IntroductionLipomas are benign tumors which may appear in almost any human organ. Their diagnosis rate in the hand region is not known.Case PresentationWe present the case of a 63-year-old Greek Caucasian woman with a giant lipoma of the hand and palm which was not initially diagnosed. After repeated surgical decompression of the carpal tunnel the patient was referred with persisting symptoms of median and ulnar nerve compression and a prominent mass of her left palm and thenar eminence. Clinical examination, magnetic resonance imaging, nerve conduction study and biopsy, revealed a giant lipoma in the deep palmar space (8.0 × 4.0 × 3.75 cm), which was also infiltrating the carpal tunnel. She had already undergone two operations for carpal tunnel syndrome with no relief of her symptoms and she also ended up with a severed flexor pollicis longus tendon. Definitive treatment was performed by marginal resection of the lipoma and restoration of the flexor pollicis longus with an intercalated graft harvested from the palmaris longus. Thirty months after surgery the patient had a fully functional hand without any neurological deficit.ConclusionNot all lipomas of the wrist and hand are diagnosed. Our report tries to emphasize the hidden danger of lipomas in cases with carpal tunnel symptoms. The need for a high index of suspicion in conjunction with good clinical evaluation and the use of appropriate investigative studies is mandatory in order to avoid unnecessary operations and complications. Marginal excision of these tumors is restorative.

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Lipomas of the upper extremity

Cited by 99 publications

References 14 publications

An unusual case of an intramuscular lipoma of the biceps brachii

An unusual case of an intramuscular lipoma of the biceps brachii

Fibrolipoma with Osseous and Cartilaginous Metaplasia of Hoffa’s Fat Pad: A Case Report

Complications arising from a misdiagnosed giant lipoma of the hand and palm: a case report

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