Primary Neurilemmoma of the Thyroid Gland Clinically Mimicking Malignant Thyroid Nodule

Lee, Young Sub; Kim, Jee Soon; Chung, Arthur Minwoo; Park, Woo Chan; Kim, Taejung

doi:10.4132/jptm.2015.08.26

Cited by 5 publications

(2 citation statements)

References 9 publications

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“…6, Issue 8, August, 2019 parasympathetic innervations. [6] In a study by lee et al [2] in 2015 there were 20 reported cases of primary schwannoma of thyroid gland. In our review up to 2018 we found 24 case reports and 6 cases were from India.…”

Section: Discussionmentioning

confidence: 99%

“…[1] Lesser than 25 cases of primary thyroid schwannomas reported till now in literature. [2] Primary thyroid schwannoma is identified as a neoplasm arising in thyroid and showing characteristic histologic features like alternating cellular and compact Antoni A and loosely arranged Antony B areas with Verocay bodies and diffuse nuclear and cytoplasmic staining for S-100 protein. [1] Papillary carcinoma of thyroid (PCT) is the most common thyroid tumour, approximately 80-85% of all tumours.…”

Section: Introductionmentioning

confidence: 99%

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Primary Thyroid Schwannoma with Papillary Carcinoma and Hurtle Cell Adenoma in a Background of Hashimoto’s Thyroiditis

Mishra

Waghmare²,

Taware³

2019

APALM

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Schwannomas are common benign neurogenic tumours that arise from Schwann cells of nerve roots; up to 45% arise in head and neck. However primary thyroid schwannomas are extremely rare. Among thyroid tumours papillary carcinoma of thyroid (PCT) are the most common. Hurthle cell neoplasms arealso rare.In addition occurrence of all the three neoplasms in the same patient is extremely rare. In this report we discuss a case of left lobe intrathryroidal schwannoma with papillary carcinoma of thryroid (PCT), Hurthle cell adenoma and background Hashimoto thyroiditis in a 25 year old female. On FNAC it was diagnosed as colloid nodule with cystic change, total thyroidectomy was done and histopathological examination showed that the largest well circumscribed nodule wasa benign neurogenic tumour, schwannoma (left lobe of thryroid gland). There were other smaller thyroid nodules; one showing papillary carcinoma with lymph node metastasis and other showing hurthle cell adenoma with backgroundHashimoto's thyroiditis.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Primary Thyroid Schwannoma with Papillary Carcinoma and Hurtle Cell Adenoma in a Background of Hashimoto’s Thyroiditis

Mishra

Waghmare²,

Taware³

2019

APALM

View full text Add to dashboard Cite

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Peripheral Nerve Sheath Tumor, Thyroid

Nosé¹

2018

Diagnostic Pathology: Endocrine

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Multimodal ultrasound imaging of primary thyroid schwannoma

Zhao

Feng

et al. 2021

Medicine

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Rationale: Primary schwannoma of the thyroid gland is very rare, and its preoperative diagnosis is difficult. Patient concerns: We report the case of a thyroid nodule in an 18-year-old woman, who presented with a mass in her left neck with stiffness and normal thyroid function. However, the patient complained of numbness in her left upper extremity, and ultrasound (US) features were suspicious of malignancy. Diagnoses: Multimodal US imaging was performed using B-mode, color doppler, ultrasonic elastography (UE), and contrast-enhanced ultrasound (CEUS). CEUS revealed heterogeneous enhancement and “target sign” within the tumor. The nodule was suspicious for malignancy and classified as TI-RADS 4b, while the elasticity values measured by UE indicated a benign lesion. Fine needle aspiration (FNA) was subsequently performed in the markedly contrast-enhanced area for biopsy. Cytological results revealed a benign schwannoma. Intervention: The patient underwent left lobe resection. Postoperative pathology confirmed it to be a primary benign schwannoma of the thyroid. Outcomes: After thyroidectomy, the patient was followed-up with US. At present, all laboratory tests and thyroid imaging are normal, and the numbness of the left upper limb has disappeared. Lessons: The combination of different US modalities is useful for the diagnosis of thyroid lesions. FNA performed under CEUS guidance improves the accuracy of biopsy sampling.

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Primary Neurilemmoma of the Thyroid Gland Clinically Mimicking Malignant Thyroid Nodule

Cited by 5 publications

References 9 publications

Primary Thyroid Schwannoma with Papillary Carcinoma and Hurtle Cell Adenoma in a Background of Hashimoto’s Thyroiditis

Primary Thyroid Schwannoma with Papillary Carcinoma and Hurtle Cell Adenoma in a Background of Hashimoto’s Thyroiditis

Peripheral Nerve Sheath Tumor, Thyroid

Multimodal ultrasound imaging of primary thyroid schwannoma

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