Abstract
The incidence of traumatic neuroma is extremely low, especially in those patients with breast cancer after mastectomy. There are only 10 cases reported in the literature. We report a patient who developed a palpable nodular mass near the mastectomy scar. The result of excisional biopsy was traumatic neuroma. Review of the literature reveal 10 cases with breast cancer of traumatic neuromas after mastectomy. Traumatic neuroma is a benign lesion and a reparative response of the nerve to injury, either direct/indirect trauma or chronic inflammation. Benign lesions as traumatic neuromas are more rarely seen after mastectomy. However, in order to manage patients' treatment, the most critical problem is to distinguish it from recurrent breast carcinoma. Although assistant examination methods such as ultrasound and computed tomography are valuable to a certain extent, the final diagnosis can only be confirmed on pathologic examination.
Highlights
Traumatic neuromas are uncommon benign lesions, especially being the consequence of surgical procedures [1,2]
There were 7 patients whose traumatic neuromas were located near the scar of mastectomy, 2 patients whose traumatic neuromas were located in the subclavian area, one patient whose traumatic neuroma was in the axilla and one patient whose traumatic neuroma was located in the 9 o’clock position in the right chest wall
The final diagnosis can only be confirmed on pathologic examination
Summary
Traumatic neuromas are uncommon benign lesions, especially being the consequence of surgical procedures [1,2]. A traumatic neuroma is not a true neoplasm It represents a hyperplastic, reparative response of the nerve to injury and usually presents as a palpable nodule mass. Post-mastectomy traumatic neuromas are benign lesions, they have to be distinguished from recurrent breast carcinomas to better manage patients’ treatment. We present a further case of post-mastectomy traumatic neuroma and review the literature on the rare condition. Ultrasonographic examination showed an irregular, solid, hypoechoic mass in the right breast. The nodular mass was close to the mastectomy scar and was palpated at follow-up examination. Ultrasonographic examination showed a well-circumscribed, echo-heterogeneous, subcutaneous nodular lesion, with a diameter of about 0.5 cm. (Figure 2) we could confirm that the nodular mass was traumatic neuroma and there was no recurrence Histopathological examination showed a tangle of small and medium nerve fiber bundles which were well circumscribed in fibro-adipose tissue. (Figure 2) we could confirm that the nodular mass was traumatic neuroma and there was no recurrence
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