A Rare Benign Mimicker of Malignancy: Cellular Spindled Histiocytic Pseudotumor of the Breast [0.03%]
罕见的乳腺恶性肿瘤样良性病变：乳腺细胞型梭形组织细胞性假瘤
Gözde Arslan,Zeycan Kübra Cevval
Gözde Arslan
Cellular spindled histiocytic pseudotumor is a rare benign lesion composed of spindle-shaped histiocytes that may mimic malignant tumors, especially in extranodal sites such as the breast. We report a 56-year-old female patient presenting w...
Conjunctival Stromal Tumor: Anterior Segment Optical Coherence Tomography, In Vivo Confocal Microscopy, and Pathological Findings [0.03%]
角膜缘层间肿瘤的临床病例报告：眼前段光学相干断层扫描、共焦显微镜及病理学表现
Ibadulla Mirzayev,Ahmet Kaan Gündüz,Ömür Özlenen Gündüz et al.
Ibadulla Mirzayev et al.
A 38-year-old woman presented with a visible conjunctival mass in the right eye. Anterior segment examination revealed a red, painless, and elevated lesion on the temporal bulbar conjunctiva in the right eye. Anterior segment swept-source o...
Giant Cell Tumor of Soft Tissue Involving the Common Hepatic Duct: A Case Report and Review of the Literature [0.03%]
软组织巨细胞瘤累及肝总管1例报告及文献复习
Khuyen Thi Nguyen,Mai Thy Tran,To Van Ta et al.
Khuyen Thi Nguyen et al.
Giant cell tumor of soft tissue is a low-malignant behavior neoplasm, with histopathological features and immunophenotype similar to its bone counterpart. Primary giant cell tumor of soft tissue in the biliary tract is an exceedingly rare e...
Inflammatory Rhabdomyoblastic Tumor With Extensive Necrosis and Overdiagnosis in Biopsy Specimens: A Rare Case Report [0.03%]
炎性横纹肌样瘤伴广泛坏死及活检标本过度诊断一例罕见病例报告
Meihua Chen,Hongmei Yi,Lei Dong et al.
Meihua Chen et al.
Inflammatory rhabdomyoblastic tumor (IRMT) is a newly recognized type of intermediate/borderline rhabdomyogenic tumor. It most commonly occurs in the lower extremities and trunk muscles of young and middle-aged men, characterized by slow gr...
Primary Well-Differentiated Neuroendocrine Tumor of the Common Hepatic Duct [0.03%]
肝总管原发性高度分化神经内分泌肿瘤
Abigail Wootton,John M Kennedy,Conor H O&#x;Neill
Abigail Wootton
Well-differentiated neuroendocrine tumors (WD-NETs) of the extrahepatic bile duct (EHBD) are exceedingly rare. Their histopathologic features are variable and lack defined prognostic correlates in the current literature. We describe a 69-ye...
Lithium Therapy-Associated Thyroid Alterations Mimicking Thyroid Malignancy: A Diagnostic Pitfall [0.03%]
锂治疗相关的甲状腺改变类似甲状腺恶性肿瘤：一个诊断陷阱
Irene Y Chen,Adel K El-Naggar
Irene Y Chen
Lithium is a commonly used mood stabilizer in managing bipolar disorder. While its therapeutic benefits are well-documented, its potential to induce thyroid-related disorders has long been recognized. Hypothyroidism is the most common thyro...
Low-Grade Oncocytic Tumor (LOT): Clinicopathological, Morphological, Immunohistochemical and Cytogenetic Study of 17 Tumors [0.03%]
低级别乳头样肿瘤（LOT）的临床病理、形态学、免疫组化和细胞遗传学研究（17例报告）
Francisco Javier Queipo Gutiérrez,Débora Chantada De la Fuente,José Ángel Vázquez Bueno et al.
Francisco Javier Queipo Gutiérrez et al.
Eosinophilic/oncocytic tumors make up a large group of renal tumors that have been the focus of attention in recent years. Among them, low-grade oncocytic tumors stand out, characterized by their solid growth pattern and central edematous z...
Cutaneous Small Vessel Vasculitis Associated With Varicella Zoster Infection: A Case Report and Review of the Literature [0.03%]
与水痘病毒感染相关的皮肤小血管炎的一例报道及文献复习
Josh Del Papa,Matthew J Cecchini,A Anurag Sharma
Josh Del Papa
Herpes zoster is well-known for its association with large-vessel vasculitis, particularly in the central nervous system. This report highlights a rare diagnosis of small-vessel cutaneous leukocytoclastic vasculitis linked to herpes zoster....
Pigmented Renal Epithelioid Angiomyolipoma: A Case Report and Literature Review [0.03%]
色素性上皮样血管平滑肌脂肪瘤一例并文献复习
Quinn Rainer,Li Lei,Yue Sun
Quinn Rainer
Melanin pigmentation in epithelioid angiomyolipoma (AML), a potentially malignant and locally aggressive renal tumor, is an exceptionally rare finding. Accurate differentiation from other pigmented tumors, such as melanoma, pigmented paraga...
Gastric Langerhans Cell Histiocytosis is Easily Ignored or Misdiagnosed in Stomach Biopsy and Indicates a Poor Outcome in Multisystem Langerhans Cell Histiocytosis [0.03%]
胃朗格汉斯细胞组织细胞增生症易被忽视或误诊且系多系统朗格汉斯细胞组织细胞增生症预后不良的征兆
Yue Fan,Yang Liu,Haimin Xu et al.
Yue Fan et al.
Langerhans cell histiocytosis (LCH) is a histiocytic neoplasm that affects almost every organ of the human body. Digestive system involvement is uncommon and gastric involvement is extremely rare. It is difficult to diagnose gastric LCH dur...