Epithelial inclusion cyst arising in an intramammary lymph node: Case report with cytologic findings

Nakaguro, Masato; Suzuki, Yasuhiko; Ichihara, F; Kobayashi, Tadao K.; Ono, Kenzo

doi:10.1002/dc.20997

Cited by 2 publications

(2 citation statements)

References 11 publications

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“…Heterotopic epithelial inclusions in lymph nodes have been identified in multiple anatomical sites; however, except for the axillary region, which has a high number of cases, all other anatomical regions have been reported as single cases ( 2 , 4 , 5 , 9 , 10 ). The most concerning aspect of benign epithelial inclusions in lymph nodes is that they may be misinterpreted as tumor metastases ( 1 , 11 ).…”

Section: Discussionmentioning

confidence: 99%

“…To date, no ultrasonographic descriptions of heterotopic squamous epithelial inclusion cysts in cervical lymph nodes have been provided in the literature, and there have only been a few reports of these cysts in other anatomical sites. Nakaguro et al ( 9 ) reported an echogenic solid tumor, with well-defined edges, in the right breast. Kim et al ( 10 ) reported a hypoechoic mass in the celiac region.…”

Section: Discussionmentioning

confidence: 99%

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Heterotopic squamous epithelial inclusion cyst in a cervical lymph node in a child: a case report and literature review

Huang¹,

Ma²,

Pei³

2022

Transl Pediatr

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Background: A squamous epithelial inclusion cyst in a lymph node is a rare heterotopic phenomenon.Heterotopic squamous inclusion cysts in cervical lymph nodes are even rarer, and to date, only 3 such cases have been reported in the literature, none of which have described the ultrasound features. Here, we report a pediatric case, focusing on the ultrasonographic manifestations of the disease and the differential diagnosis of cervical space-occupying lesions in children.Case Description: We report the case of a 6-year-old boy in good health, who presented with a nontender mass on the right side of the neck 1 month earlier. Some 7 days before admission, the mass gradually increased in size and became tender. Laboratory tests showed an increase in C-reactive protein of 17 mg/L (normal range: 0-8 mg/L). The physical examination revealed a palpable 3.0 cm × 2.0 cm mass with tenderness and poor mobility in the right submandibular region. Doppler ultrasonography showed an oval, ill-defined mass in the right submandibular area, consisting of a peripheral homogeneous hypoechoic component with hilar-like vascularity and an internal heterogeneous very hypoechoic component with patchy hyperechoic areas. The computed tomography (CT) scan showed a heterogeneously hypodense mass with irregular annular enhancement in the right submandibular region. Lymph node tuberculosis or spaceoccupying lesions were suspected based on the clinical and imaging findings. The mass was completely excised by surgery. The pathological diagnosis was a secondary infection of squamous epithelial inclusion cysts in the right cervical lymph node. The peripheral homogeneous hypoechoic component was normal lymph node tissue, and the internal heterogeneous very hypoechoic component was a squamous inclusion cyst with keratin debris. The patient was followed up for a total of 3 times after surgery, and no recurrence of the tumor was found.Conclusions: Ultrasonography can help in the early diagnosis of heterotopic squamous inclusion cysts in children's cervical lymph nodes, and can be used to differentiate other cervical lesions. We reviewed the literature and found that this heterotopic phenomenon was more likely to occur in the submandibular region of the neck in younger patients. Surgery may be an effective treatment for this disease.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Heterotopic squamous epithelial inclusion cyst in a cervical lymph node in a child: a case report and literature review

Huang¹,

Ma²,

Pei³

2022

Transl Pediatr

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Nodal Inclusion Cyst in a Cervical Lymph Node

Fruehwald-Pallamar¹,

Li²,

Hasteh³

et al. 2012

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A 21-year-old female patient presenting with a left-sided submandibular mass was referred for CT imaging of the neck. Findings of laboratory studies were unremarkable. Contrastenhanced CT of the neck showed a 1.7-cm well-circumscribed, predominantly low-attenuation mass in the left submandibular space. The remainder of the neck was normal. Surgery was performed; pathology revealed a benign squamous epithelial inclusion cyst that had replaced part of the lymph node and was surrounded by normal lymphoid tissue.

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Epithelial inclusion cyst arising in an intramammary lymph node: Case report with cytologic findings

Cited by 2 publications

References 11 publications

Heterotopic squamous epithelial inclusion cyst in a cervical lymph node in a child: a case report and literature review

Heterotopic squamous epithelial inclusion cyst in a cervical lymph node in a child: a case report and literature review

Nodal Inclusion Cyst in a Cervical Lymph Node

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