Cystic schwannoma of the axillary region: imaging findings of a rare disease. Case report.

Tatar, İdil Güneş; Yılmaz, Kerim Bora; Arikok, Ataturker; Bayar, Bahattin; Akıncı, Melih; Balas, Şener; Ergül, Zafer; Ergün, Onur; Hekįmoğlu, Baki

doi:10.11152/mu.2013.2066.171.kyb

Cited by 8 publications

(7 citation statements)

References 10 publications

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“…From the sonographic perspective, the latter signs plus the previously mentioned sonographic features of apocrine nodular hidradenoma can support the differential diagnosis with common cystic cutaneous lesions that show hypoechoic keratinous content such as epidermal cysts. On the other hand, schwannomas with cystic degeneration can appear as solid‐cystic tumors with hypoechoic areas and septa . However, most of these tend to be located deeper in the hypodermis, rarely involve the dermis, and are usually closer to vascular or neural bundles and tendons.…”

Section: Discussionmentioning

confidence: 97%

“…16,17,26 On the other hand, schwannomas with cystic degeneration can appear as solid-cystic tumors with hypoechoic areas and septa. 27,28 However, most of these tend to be located deeper in the hypodermis, rarely involve the dermis, and are usually closer to vascular or neural bundles and tendons. Furthermore, these neurogenic benign tumors commonly appear as hypovascular (with mostly peripheral blood flow) or avascular structures.…”

Section: Discussionmentioning

confidence: 99%

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Sonographic Characteristics of Apocrine Nodular Hidradenoma of the Skin

Wortsman

Reyes

Ferreira-Wortsman

et al. 2017

J of Ultrasound Medicine

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Nodular hidradenomas are benign sweat gland-derived tumors that can produce clinical and dermatoscopic misdiagnoses. Histologically, these tumors can be classified into eccrine and apocrine subtypes. We present the sonographic characteristics of 6 cases of apocrine nodular hidradenomas, which, to our knowledge, is so far the largest series reported. A detailed sonographic analysis included layers, body location, shape, diameters, echostructure patterns, and vascularity. Two sonographic signs not previously reported in these or other common dermatologic lesions were detected: "snow falling" and "fluid-fluid level." The sonographic characteristics of apocrine nodular hidradenomas can support their earlier and more precise diagnosis.

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Section: Discussionmentioning

confidence: 97%

Section: Discussionmentioning

confidence: 99%

Sonographic Characteristics of Apocrine Nodular Hidradenoma of the Skin

Wortsman

Reyes

Ferreira-Wortsman

et al. 2017

J of Ultrasound Medicine

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“…The main reason he was misdiagnosed by ultrasound was that the schwannoma had undergone an extremely rare change—with cystic change. Schwannoma may have degenerative changes, such as hemorrhage, calcification, and fibrosis, but cystic changes are extremely rare ( 21 , 22 ).…”

Section: Discussionmentioning

confidence: 99%

Case Report: Upper limb dysfunction may be caused by chest wall mass excision: An enlightenment from a special case

Yuan²,

Xiong

et al. 2022

Front. Oncol.

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Of all the thoracic surgical procedures, chest wall surgery is probably the lowest-risk type. In fact, it is not so. Clinical work also often has the trap of chest wall surgery. An operation to remove a mass in the axilla may result in upper limb disability on the affected side. Here, we report the case of a 47-year-old female patient with a left chest wall adjacent axillary mass, which was considered an abnormal structural lymph node on color ultrasound examination and chest CT. Otherwise, she felt no discomfort. The left upper limb moved freely without being affected by the mass. A routine resection of the tumor was performed after the preoperative examination was completed. After the operation, the incision recovered well. However, the day after the surgery, she developed numbness and pain in her left little finger and ring finger, pain that often kept her from sleeping. The mass was confirmed to be a schwannoma with cystic degeneration by pathology slicing after the operation. By this time, doctors were alerted to the fact that the removal of the chest wall mass had nearly disabled the left upper limb of the patient, which was a great warning to the thoracic surgeon. In this case report, we hope that all surgeons will be cautious and careful and will not trust the imaging diagnosis too much. It is also hoped that the patient understands that some procedures may lead to unexpected complications.

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“…No caso relatado, optou-se por exérese total da lesão, não sendo possível a preservação do tronco nervoso, devido a sua localização próxima e justaposta a grandes vasos axilares. Como a malignização desses tumores é rara, o seu prognóstico se torna favorável e com baixo índice de recidivas após exérese total 5,11 .…”

Section: Discussionunclassified

“…A maioria dos tumores mamários são de origem epitelial e representam 95% dos casos, os quais são distribuídos entre carcinomas, cistos benignos e fibroadenomas. Contudo, o Neurilenoma mamário e/ou axilar são pouco comuns, sendo majoritariamente solitários, bem definidos, de crescimento lento, não 2,4,5 .…”

Section: Introductionunclassified

Tumor Axilar De Origem Neural: Um Achado Incomum

Lombardi¹,

Lombardi²,

Silva³

et al. 2022

Relatos Casos Cir.

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Introdução: Os Schwannomas consistem em tumores benignos do tecido mole, provenientes das células de Schwann do tecido nervoso periférico e são frequentes em pacientes do sexo masculino entre 20 e 50 anos de idade. Tendem a ser solitários com crescimento lento e não agressivos, produzindo, por vezes, grandes massas. Seu aparecimento na região mamária e/ou axilar é muito raro, sendo constatados apenas 37 casos de Schwannomas em mama e axila nas bases de dados Lilacs, Pubmed e Medline. A maioria dos tumores mamários são constituídos por tecido de origem epitelial, sendo 95% dos casos divididos entre carcinomas, cistos e fibroadenomas. Relato do caso: Neste relato, descrevemos uma paciente de 53 anos, sexo feminino, relatando nódulo com sensação de queimação em axila direita e irradiação para mama direita. A mamografia e a ultrassonografia mamária mostravam a presença de nódulo em axila direita, de difícil diferenciação com linfadenomegalia axilar. Conclusão: A punção aspirativa com agulha fina (PAAF) foi inconclusiva e a core-biopsy mostrou proliferação mesenquimal fusocelular com características celulares benignas padrão nervoso, do tipo Neurilenoma/Schwannoma. Optou-se, a princípio, por conduta expectante porém, após seis meses, observou-se aumento do nódulo e da sintomatologia clínica, sendo indicada a exérese completa da lesão. Palavras-chave: Células de Schwann. Axila. Neurilema.

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Cystic schwannoma of the axillary region: imaging findings of a rare disease. Case report.

Cited by 8 publications

References 10 publications

Sonographic Characteristics of Apocrine Nodular Hidradenoma of the Skin

Sonographic Characteristics of Apocrine Nodular Hidradenoma of the Skin

Case Report: Upper limb dysfunction may be caused by chest wall mass excision: An enlightenment from a special case

Tumor Axilar De Origem Neural: Um Achado Incomum

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