Pulmonary Adenocarcinoma Presenting as Paraspinal Muscle Metastatic Mass

Harrison, M. S.; Jones, Amanda M.; Abebe, Abebe

doi:10.1155/2018/5719382

Cited by 2 publications

(3 citation statements)

References 21 publications

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“…Diagnosing metastasis to the skeletal muscles can be confusing as the symptoms can be misunderstood as muscle strain or injury. It usually presents as painful and palpable masses with or without localized swelling [ 8 ]. However, our patient was asymptomatic and was incidentally found to have tricep muscle metastasis in surveillance images.…”

Section: Discussionmentioning

confidence: 99%

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An Unusual Case of Lung Adenocarcinoma Metastasis to the Tricep Muscle: Four Years Disease-Free After Surgical Resection and Radiotherapy

Weeraddana¹,

Walgamage²,

Elkabbani³

et al. 2023

Cureus

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Lung cancer is one of the leading causes of cancer-related death worldwide. Lung cancer commonly metastasizes to the liver, bone, and brain, but metastasis to skeletal muscles is rare. The development of metastasis in skeletal muscles indicates stage IV disease with a poor prognosis. The most effective treatment strategy is unclear. Palliative radiotherapy is often used to treat skeletal muscle metastases, and patient survival is poor, with an average survival of one year. Here we discuss the case of a 76-year-old female diagnosed with lung adenocarcinoma with metastasis to the trapezius muscle. Initially, she was treated with stereotactic body radiotherapy for stage T1 lung adenocarcinoma. Her follow-up surveillance positron emission tomography (PET) scan in 11 months showed an abnormal focal area of increased activity localizing to the long head of the right triceps muscle. The diagnosis was confirmed with an ultrasound-guided biopsy of the trapezius muscle. Following that, the patient underwent wedge resection of the right middle and upper lobe of the lung and partial right trapezius resection. Afterward, she was given radiation therapy at the tricep resection site. She remained disease-free for four years after excision and radiation therapy.

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Section: Discussionmentioning

confidence: 99%

“…The most common sites of skeletal muscle metastasis of lung cancer are the thigh, iliopsoas, and paraspinous muscles. Lesions have also been reported in the orbit and pectoral muscles [7][8][9][10]. Besides, some literature also reports the calf muscles being among the common spreading sites [11].…”

Section: Discussionmentioning

confidence: 99%

An Unusual Case of Lung Adenocarcinoma Metastasis to the Tricep Muscle: Four Years Disease-Free After Surgical Resection and Radiotherapy

Weeraddana¹,

Walgamage²,

Elkabbani³

et al. 2023

Cureus

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show abstract

“…To the best of our knowledge, this is the first case in the literature of a paraspinal muscles metastasis of myxopapillary ependymoma. Its prompt diagnosis may be hindered since it mimics several muscular primary and secondary lesions such as lipomatous lesions, sarcomas, rhabdomyosarcomas, intramuscular myxomas, and extra neural metastasis [ 30 , 31 , 32 ]. Radiological features of these lesions are reported in Table 3 [ 33 ].…”

Section: Discussionmentioning

confidence: 99%

Extra-Neural Metastases of Late Recurrent Myxopapillary Ependymoma to Left Lumbar Paravertebral Muscles: Case Report and Review of the Literature

et al. 2022

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Ependymomas are commonly classified as low-grade tumors, although they may harbor a malignant behavior characterized by distant neural dissemination and spinal drop metastasis. Extra-CNS ependymoma metastases are extremely rare and only few cases have been reported in the lung, lymph nodes, pleura, mediastinum, liver, bone, and diaphragmatic, abdominal, and pelvic muscles. A review of the literature yielded 14 other case reports metastasizing outside the central nervous system, but to our knowledge, no studies describe metastasis in the paravertebral muscles. Herein, we report the case of a 39-year-old patient with a paraspinal muscles metastasis from a myxopapillary ependymoma. The neoplasm was surgically excised and histologically and molecularly analyzed. Both the analyses were consistent with the diagnosis of muscle metastases of myxopapillary ependymoma. The here-presented case report is first case in the literature of a paraspinal muscles metastasis of myxopapillary ependymoma.

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Pulmonary Adenocarcinoma Presenting as Paraspinal Muscle Metastatic Mass

Cited by 2 publications

References 21 publications

An Unusual Case of Lung Adenocarcinoma Metastasis to the Tricep Muscle: Four Years Disease-Free After Surgical Resection and Radiotherapy

An Unusual Case of Lung Adenocarcinoma Metastasis to the Tricep Muscle: Four Years Disease-Free After Surgical Resection and Radiotherapy

Extra-Neural Metastases of Late Recurrent Myxopapillary Ependymoma to Left Lumbar Paravertebral Muscles: Case Report and Review of the Literature

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