Neoplastic Leg Ulcers [0.03%]
肿瘤性腿溃疡
Lidia Sacchelli,Carlotta Baraldi,Cosimo Misciali et al.
Lidia Sacchelli et al.
Chika Ohata
Chika Ohata
Hyaline cell-rich apocrine mixed tumor is relatively rare, and it often possesses atypical cells. Despite the presence of atypical cells, other histopathological features such as well circumscription, smooth border, predominance of bland ce...
Pembegül Güneş,Fatih Göktay
Pembegül Güneş
Melanocytic lesions of the nail unit are traditionally classified as follows: melanocytic activation, lentigo, nevi, and melanoma. Undoubtedly, melanoma is the most important malignant tumor of the nail unit. Differentiating nail unit melan...
Shadow Cell Differentiation: A Comparative Analysis of Modes of Cell Death with Apoptosis and Epidermal/Trichilemmal Keratinization [0.03%]
阴影细胞分化：与凋亡和表皮/毛基质角蛋白化比较的细胞死亡方式分析
Toshitsugu Nakamura
Toshitsugu Nakamura
Shadow cells are characterized by an eosinophilic cytoplasm and a ghost-like nuclear contour; the cell shape is preserved, in spite of nuclear disappearance. Shadow cell nests (SCNs) are frequently observed in pilomatricoma (PMX), where the...
Cutaneous Adnexal Cysts Revisited: What We Know and What We Think We Know [0.03%]
再访皮肤附属器囊肿：我们所知和我们认为所知的事项
Gürkan Kaya,Jean-Hilaire Saurat
Gürkan Kaya
Cutaneous cysts have been classified by dermatopathologists in many different ways. Here, we propose a novel classification of cutaneous adnexal cysts according to their origin in the folliculosebaceous unit and the sweat glands. By examini...
Nail Unit Glomus Tumor with Myxoid and Symplastic Change Presenting with Longitudinal Erythronychia [0.03%]
表现为纵向红甲的指(趾)甲下血管球瘤一例
Diego R Da Silva,Kevin J Gaddis,Stephen Hess et al.
Diego R Da Silva et al.
Glomus tumors are soft tissue neoplasms, which are most frequently encountered in the nail unit and generally straightforward to diagnose by histopathology. The typical clinical presentation is that of a circular violaceous or erythematous ...
Sign of Leser-Trélat and Cutaneous T-Cell Lymphoma: A Rare Association [0.03%]
Leser-Treilater征与皮肤T细胞淋巴瘤的一种罕见关联
Raphaël André,Emmanuel Laffitte,Marem Abosaleh et al.
Raphaël André et al.
Sign of Leser-Trélat is a rare paraneoplastic cutaneous manifestation, characterized by the sudden appearance and rapid increase in size and number of seborrheic keratoses, accompanied by pruritus. Edmund Leser and Ulysse Trélat described...
An Unusual Morphological Presentation of Cutaneous Squamous Cell Carcinoma Mimicking Microcystic Adnexal Carcinoma: A Diagnostic Pitfall [0.03%]
一种不常见的皮肤鳞状细胞癌的病理表现类似微囊腺癌：一个诊断陷阱
Yasmine L Ibrahim,Stéphanie Lambert,Dmitry V Kazakov et al.
Yasmine L Ibrahim et al.
Cutaneous squamous cell carcinoma (SCC) exhibiting microcystic adnexal carcinoma-like differentiation is an extremely rare tumor that shows both squamous and ductal differentiation. This tumor is often misdiagnosed clinically and histologic...
An Unusual Case of Facial Steatocystoma Multiplex: A Clinicopathologic and Dermoscopic Report [0.03%]
面部多发性脂肪囊肿的罕见病例报告：临床病理和皮肤镜检查结果
Aseem Sharma,Sandip Agrawal,Rachita Dhurat et al.
Aseem Sharma et al.
Background: Steatocystoma multiplex is a benign skin disorder originating from the sebaceous and nevoid ducts. Commonly classified under hamartomas, they are distributed over the trunk, neck, axillae, and groin. ...
Catherine M Stefanato
Catherine M Stefanato