Parosteal lipoma of the scapula: a case report

Xu, Lu; Tsang, Ka-Kit

doi:10.12809/hkmj187759

Cited by 3 publications

(2 citation statements)

References 2 publications

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“…Parosteal lipoma is not well characterised in the literature regarding FDG avidity, with one case of parosteal lipoma not showing uptake. 5 The imaging appearances were typical of a parosteal lipoma. CT-guided biopsy was performed for histopathological exclusion of a liposarcoma.…”

Section: Discussionmentioning

confidence: 96%

Parosteal lipoma of the rib: A rare condition in an uncommon location

White

Nguyen

et al. 2021

J Med Imag Rad Onc

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A 36-year-old female patient was diagnosed with a parosteal lipoma arising from the left 3rd rib. This was preluded by a 5-year history of an asymptomatic and stable mass at the medial aspect of the left scapula. It had displayed an interval enlargement in the preceding 3 months which prompted investigation to rule out an aggressive lesion. The patient was investigated with CT, MRI and PET scan which demonstrated a well-circumscribed juxtacortical fatty mass with osseous excrescence and no enhancing soft tissue components or FDG avidity in the fatty component, in keeping with a parosteal lipoma. CT-guided biopsy allowed histopathological correlation which facilitated the exclusion of an aggressive lesion and supported the imaging diagnosis. This case is a pertinent educational tool for radiologists and orthopaedic surgeons as it characterises a rare and benign pathology in an uncommon location, with mimicry of malignant differential diagnoses such as liposarcoma and chondrosarcoma. We aim to bring awareness to this condition and its typical imaging characteristics and thus allowing radiologists to make more confident conclusions in future cases.

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Section: Discussionmentioning

confidence: 96%

Parosteal lipoma of the rib: A rare condition in an uncommon location

White

Nguyen

et al. 2021

J Med Imag Rad Onc

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“…They are usually located in the proximal radius, humerus, femur and tibia 8–12. Yet, even more, unusual cases of parosteal lipomas of the clavicle, ribs, scapula, spine and even mandible were reported 13–16…”

Section: Discussionmentioning

confidence: 99%

Parosteal lipoma of the radius with posterior interosseous nerve palsy

et al. 2022

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Parosteal lipoma is a rare benign soft tissue mesenchymal tumour that may impair limb motor function when located adjacent to neurovascular structures. We report a case of a woman in her 80s with a long-standing lesion in the forearm and consequent sensory and motor function changes. She was admitted for an elective excision of the lipoma. Postoperative evolution was favourable, with marked improvement of limb function. Our aim in sharing this case is to create awareness of these rare deep-seated lipomas that might originate nerve palsy and should therefore be excised as soon as possible to avoid neurological damage.

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