Pure non-gestational ovarian choriocarcinoma in a postmenopausal woman coexisting with a clear cell adenofibroma and endometriosis foci: A case report and review of the literature [0.03%]
绝经后妇女卵巢非宫内妊娠性绒癌合并透明细胞腺纤维瘤和子宫内膜异位的病例报告及文献回顾
Ainhoa Ordoñez Arrillaga,Miguel Ángel Resano Abarzuza,Marta Rezola Bajineta et al.
Ainhoa Ordoñez Arrillaga et al.
Ovarian germ cell tumours are uncommon, with choriocarcinoma being the rarest of them. Among choriocarcinomas, the non-gestational type occurs mainly in premenarchal women, although cases have been described in postmenopausal women. The dis...
Changes in the classification of malignant salivary gland tumours across the last three WHO editions [0.03%]
过去三次WHO版本中恶性唾液腺肿瘤分类的变化
Gonzalo Rojas-Alcayaga,Magdalena Pinto Ávila,Felipe Cáceres Villanueva et al.
Gonzalo Rojas-Alcayaga et al.
This article explores the evolution of the classification of malignant salivary gland tumours (MSGTs) over the years, focusing on the last three editions of the World Health Organization (WHO) texts-the third, fourth and fifth editions. It ...
Granular cell tumour of non-neural origin, ALK positive: Case report and literature review [0.03%]
非神经源性粒细胞肌母细胞肿瘤ALK阳性一例并文献复习
Viviana Dávila Flores,Alicia Sánz,Michelle Jurado et al.
Viviana Dávila Flores et al.
Non-neural granular cell tumour (NNGCT) is a rare cutaneous neoplasm characterised by the absence of S100 expression and a differentiation of uncertain lineage. We present the case of a 13-year-old male patient with a cutaneous lesion on th...
Benign cutaneous plexiform hybrid tumour of perineurioma and cellular neurothekeoma: A rare diagnosis [0.03%]
良性皮肤神经周细胞瘤和细胞神经膜瘤杂交肿瘤病一例报告
Elena María García Pastor,Rosa María Castillo Muñoz,Elena Gallego Domínguez
Elena María García Pastor
Benign cutaneous plexiform hybrid tumour of perineurioma and cellular neurothekeoma (BCPHTPCN) is an uncommon mesenchymal tumour first described in 2013, characterised by mixed features of perineurioma and cellular neurothekeoma. Clinically...
Rare malignant transformation of struma ovarii into follicular thyroid carcinoma: A case report [0.03%]
卵巢Struma罕见地转化为甲状腺滤泡癌的病例报告
Adil Aziz Khan,Charanjeet Ahluwalia,Sana Ahuja
Adil Aziz Khan
Struma ovarii is a rare monodermal ovarian teratoma primarily composed of thyroid tissue, accounting for 2-5% of all ovarian teratomas. Although generally benign, about 5% may undergo malignant transformation, predominantly into papillary t...
Malakoplakia mimicking pelvic malignancy with liver metastasis and peritoneal carcinomatosis [0.03%]
盆腔恶性肿瘤伴肝转移及腹膜癌症的泌尿系 malakoplakia 病例一例报告
Hector Chavarria,Tanvi V Joshi,Jatinder Kumar et al.
Hector Chavarria et al.
Malakoplakia is a rare chronic inflammatory condition characterised by defective macrophage function, most commonly affecting the genitourinary tract. Although usually localised, it may occasionally present as a mass-forming lesion mimickin...
Valeria Meraz Alvarado,Marco Antonio Fuentes García,Mauricio Salcedo Vargas et al.
Valeria Meraz Alvarado et al.
Homeobox genes encode a superfamily of transcriptional regulators involved in the growth and development of human tissues and organs. Engrailed (En) genes are homeodomain genes, which have transcription factor functions and play a significa...
Miriam Rubiera Valdés,Inés Gómez de la Riva,José María Alonso de la Campa et al.
Miriam Rubiera Valdés et al.
Primary sarcomas of the breast are exceptionally rare, accounting for fewer than 1% of malignant breast lesions. Mammary liposarcomas comprise less than 5% of all breast sarcomas, and among these, primary pleomorphic liposarcoma is particul...
Gastric surgery as an acquired cause of pancreatic alpha-cell hyperplasia [0.03%]
胃手术作为胰岛α细胞增生的获得性原因
Ricard Onieva Carbajo,Laia Casamitjana,Cristina Gener Jorge et al.
Ricard Onieva Carbajo et al.
Introduction: Alpha-cell hyperplasia (ACH) is a rare condition, with only eighteen cases reported in the literature. Its primary cause is Mahvash disease, a hereditary disorder associated with pancreatic neuroendocrine tu...
Ana L Nocito,Sandra I Sarancone
Ana L Nocito
Angiosarcomas are malignant vascular tumors primarily located in the dermis or soft tissues predominantly in the head and neck region. Ovarian localization is extremely rare, with only a few published cases. A 63-year-old patient was admitt...