Axillary schwannoma mimicking a breast cancer lymph node metastasis

Ramdani, Hanae; Haddad, Siham El; Chat, Latifa; Souadka, A.; Allali, Nazik

doi:10.1111/tbj.14188

Cited by 6 publications

(11 citation statements)

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“…Tinel’s sign is a finding that is explained as a radiating pain caused by tapping over the affected nerve. This finding is characteristic of axillary schwannoma, and described in previous reports [ 7 , 10 ]. In the present case, the patient also felt radiating pain on palpation.…”

Section: Discussionsupporting

confidence: 82%

“…There is a risk of iatrogenic vascular or nerve injury at the time of puncture. Therefore, some patients require an excisional biopsy to obtain an accurate diagnosis [ 5 , 7 , 8 ].…”

Section: Discussionmentioning

confidence: 99%

“…Furthermore, she felt a sharp and radiating pain when FNA and CNB were being performed. This sharp pain, felt during the tumor biopsy by FNA or CNB, is an invaluable finding suggesting that the tumor originates from the nervous system [ 7 ]. This finding can play a key role in diagnosing axillary schwannoma.…”

Section: Discussionmentioning

confidence: 99%

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Axillary schwannoma mimicking lymph node metastasis-associated breast cancer: a case report

Kumagai¹,

Takehana²,

Shioi³

et al. 2022

surg case rep

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Background Axillary schwannoma associated with breast cancer is an extremely rare disease, and previous reports have been limited. In this setting, there is great concern about whether a tumor in the axillary region is lymph node metastasis. Herein, we report a unique case of axillary schwannoma that mimicked lymph node metastasis associated with breast cancer. Case presentation A 68-year-old woman who underwent mastectomy and axillary lymph node dissection for right breast cancer over 20 years ago presented to our hospital with numbness and weakness in the right arm for 6 months. Ultrasonography, computed tomography, and magnetic resonance imaging showed a 20-mm well-circumscribed round tumor in the right axillary region. Initially, she was suspected of having lymph node metastasis-associated breast cancer, but the result of the core needle biopsy was a schwannoma. The patient underwent tumor enucleation. The patient has had no recurrence 1 year after the operation. Conclusion Axillary schwannomas often mimic lymph node metastasis in patients with a history of malignancy, particularly breast cancer. To select the optimal treatment, the clinicians should make as accurately as possible a diagnosis, with histopathological examinations, when examining patients with cancer who develop tumors in the axillary region.

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Section: Discussionsupporting

confidence: 82%

“…There is a risk of iatrogenic vascular or nerve injury at the time of puncture. Therefore, some patients require an excisional biopsy to obtain an accurate diagnosis [ 5 , 7 , 8 ].…”

Section: Discussionmentioning

confidence: 99%

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Axillary schwannoma mimicking lymph node metastasis-associated breast cancer: a case report

Kumagai¹,

Takehana²,

Shioi³

et al. 2022

surg case rep

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“…Sporadic peripheral nerve sheath tumors in the axilla are much less common, with peripheral nerve schwannomas showing a prevalence of only 4% among adults [2]. To date, just over 20 cases of axillary nerve schwannomas have been reported in the literature, and more than one-third of the affected patients are adult females with a history of synchronous or metachronous breast cancer [3][4][5][6][7][8][9][10]. With no family history of von Recklinghausen's disease the schwannoma mimics an axillary metastasis and misdiagnosis can occur [3][4][5][6][7][8][9][10].…”

Section: Discussionmentioning

confidence: 99%

“…To date, just over 20 cases of axillary nerve schwannomas have been reported in the literature, and more than one-third of the affected patients are adult females with a history of synchronous or metachronous breast cancer [3][4][5][6][7][8][9][10]. With no family history of von Recklinghausen's disease the schwannoma mimics an axillary metastasis and misdiagnosis can occur [3][4][5][6][7][8][9][10]. Our presently reported patient does not have a history of breast cancer, but we advise a careful clinical followup, since we cannot exclude the possibility that a new tumor may arise in another organ.…”

Section: Discussionmentioning

confidence: 99%

Surgical treatment of solitary axillary schwannoma

Missori¹

2023

J Clin Images Med Case Rep

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Schwannomas Mimicking Leptomeningeal Spread in the Setting of Breast Cancer: A Case Report

JALALI,

RENDUCHINTALA,

AFIAT

et al. 2023

In Vivo

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Background: Breast cancer is currently the most diagnosed cancer globally. For patients who complete breast cancer treatment, developing a survivorship plan is important, including serial history, physical examinations, and annual mammograms to look for recurrence and metastasis. Case Report: This is a case report of a 76-yearold female with a history of recurrent breast cancer who presented with lower-back pain and found to have MRI findings initially concerning for intradural extramedullary metastatic disease. Biopsy was later found to be consistent with benign spinal schwannomas. Conclusion: We present a unique case of spinal masses in the setting of breast cancer initially concerning for leptomeningeal spread, later found to have benign schwannomas that mimicked leptomeningeal spread on imaging. To our knowledge, this is the first reported case of schwannomas mimicking leptomeningeal spread in a patient with a history of recurrent breast cancer. After metastasis is excluded, schwannomas should be considered in the differential of benign spinal lesions.

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Axillary schwannoma mimicking a breast cancer lymph node metastasis

Cited by 6 publications

References 0 publications

Axillary schwannoma mimicking lymph node metastasis-associated breast cancer: a case report

Axillary schwannoma mimicking lymph node metastasis-associated breast cancer: a case report

Surgical treatment of solitary axillary schwannoma

Schwannomas Mimicking Leptomeningeal Spread in the Setting of Breast Cancer: A Case Report

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