Prevalence of Lymphoid Neoplasia in a Retrospective Analysis of Warthin Tumor: A Single Institution Experience [0.03%]
温氏瘤中淋系肿瘤的发病情况——单一机构回顾性分析经验
F N U Alnoor,Jatin S Gandhi,Matthew K Stein et al.
F N U Alnoor et al.
Warthin tumor is one of the most common benign salivary gland tumors. Overt lymphoma is known to occur in the lymphoid stroma of Warthin tumor. In situ follicular neoplasia is difficult to identify in routine histologic examination of lymph...
Concomitant Congenital Intraoral Dermoid Cyst and Heterotopic Gastrointestinal Cyst [0.03%]
同期并发先天性口腔内皮样囊肿和异位胃肠道囊肿
L Robinson,T Sengoatsi,W F P van Heerden
L Robinson
Sublingual dermoid cysts and oral heterotopic gastrointestinal cysts are well-documented causes of sublingual swellings in infants. However, the simultaneous occurrence of both cysts is an extremely rare phenomenon, with only two previous c...
Identification of Rare and Common HPV Genotypes in Sinonasal Papillomas [0.03%]
鼻窦乳头状瘤中罕见和常见人乳头瘤病毒基因型的鉴定
A Paehler Vor der Holte,I Fangk,S Glombitza et al.
A Paehler Vor der Holte et al.
Sinonasal papillomas are rare, usually benign tumors arising from the Schneiderian membrane. Human papillomaviruses (HPV) can infect differentiating skin and mucosal cells and can induce uncontrolled growth patterns. Their effect on develop...
Plexiform Schwannoma of the Oral Cavity: Report of Eight Cases and a Review of the Literature [0.03%]
关于口腔plexiform施万细胞瘤的八例报告及文献综述
Angela C Chi,Brad W Neville,Lisa Cheng
Angela C Chi
Plexiform schwannoma represents an unusual schwannoma variant, characterized by multinodular growth grossly and/or microscopically. A review of the English-language literature reveals only 28 previously reported cases involving the oral cav...
Benign and Malignant Granular Cell Tumor of the Hypopharynx: Two Faces of a Rare Entity [0.03%]
罕见的下咽颗粒细胞瘤的两面性:良性与恶性
Elizabeth Jo Bradford Bell,Giovana R Thomas,Jason Leibowitz et al.
Elizabeth Jo Bradford Bell et al.
Granular cell tumors (GCT) are rare soft tissue tumors that involve the head and neck in 50% of patients. Two distinct variants of GCT, one benign (bGCT) and the other malignant (mGCT), involving the hypopharynx, a subsite of the larynx, ar...
Variable Expression of S100 Protein in Sinonasal Malignant Mucosal Melanoma: A Potential Diagnostic Pitfall [0.03%]
S100蛋白在鼻窦恶性粘膜黑色素瘤中的表达变异可能导致诊断陷阱
Xiang Xu,Doreen Palsgrove,Elizabeth Kurian et al.
Xiang Xu et al.
Sinonasal malignant mucosal melanoma (SNM) is a rare, aggressive malignancy. The diagnosis of SNM is often quite challenging due to anatomical limitations, frequent lack of pigmentation, variable histologic appearances, and aberrant differe...
Vinay Kumar Gupta,Arjuna Thakker,Keshav Kumar Gupta
Vinay Kumar Gupta
Vestibular schwannoma (VS) is a Schwann cell-derived tumour arising from the vestibulocochlear nerve. Although benign, it represents a threat to intracranial structures due to mass effect and carries a small risk of malignant transformation...
Pediatric Warthin-like Mucoepidermoid Carcinoma: Report of Two Cases with One Persistent/Recurrent as Conventional Mucoepidermoid Carcinoma [0.03%]
儿科Warthin型粘液表皮样癌:两例报告,一例持续/复发为常规粘液表皮样癌
Elena V Daoud,Anne C McLean-Holden,Cory M Pfeifer et al.
Elena V Daoud et al.
Mucoepidermoid carcinoma (MEC) is the most common primary salivary gland malignancy. While salivary gland neoplasia is rare in children, MEC is much more likely to occur in the pediatric population than Warthin tumor, a common benign saliva...
Central Odontogenic Fibroma with Giant Cell Granuloma-Like Lesion: A Report of an Additional Case and Review of Literature [0.03%]
中央牙源性纤维瘤伴巨细胞肉芽肿样病变:一例报道及文献复习
Omneya R Ramadan,Marwa M Essawy
Omneya R Ramadan
Central odontogenic fibroma is a rare benign odontogenic tumor that relies on clinical-radiographic-histological correlation to reach its diagnosis, especially its rare variants. Of these rare types is the coexistence of giant cell granulom...
Tonsillar p16-Positive Follicular Dendritic Cell Sarcoma Mimicking HPV-Related Oropharyngeal Squamous Cell Carcinoma: A Case Report and Review of Reported Cases [0.03%]
一种模仿HPV相关性口咽鳞癌的扁桃体肿瘤样FDC肉瘤(p16阳性):病例报告及文献复习
Bailey Hutchison,Sam Sadigh,Judith A Ferry et al.
Bailey Hutchison et al.
Follicular dendritic cell sarcoma (FDCS) is a rare entity which can share morphologic features with non-keratinizing squamous cell carcinoma. Recent reports suggest that up to half of FDCSs show immunohistochemical positivity for p16 (Zhang...