Search Results - "Ansai, Shin‐ichi"

Keloidal dermatofibroma: Clinicopathological comparison of 52 cases with a series of 2077 other dermatofibromas by Nishimoto, Akana, Ansai, Shin‐ichi, Akaishi, Satoshi, Dohi, Teruyuki, Ogawa, Rei

“…Dermatofibroma is a common benign skin lesion with a contested etiology: some believe it is a neoplasm while others propose minor injuries initiate it. Many…”
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Multicentric endocrine mucin‐producing sweat gland carcinoma and mucinous carcinoma of the skin: A case report by Nishimoto, Akana, Kuwahara, Hiroaki, Ohashi, Ryuji, Ansai, Shin‐ichi

“…Endocrine mucin‐producing sweat gland carcinoma (EMPSGC) is a rare low‐grade sweat gland carcinoma. EMPSGC is thought to be a precursor to mucinous carcinoma…”
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Topics in histopathology of sweat gland and sebaceous neoplasms by Ansai, Shin‐ichi

“…This article reviews several topics regarding sweat gland and sebaceous neoplasms. First, the clinicopathological characteristics of poroid neoplasms are…”
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Infantile Myofibroma: Case Report and Review of the Literature by Ogita, Azusa, Ansai, Shin-ichi

“…We report a case of solitary infantile myofibroma (IM) with partially CD34-positive neoplastic cells on the back of a newborn boy. Ultrasonography showed a…”
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The second Japanese case of porphyria cutanea tarda with a novel genetic mutation in UROD by Yamada, Mai, Nakano, Hajime, Ogita, Azusa, Saeki, Hidehisa, Ansai, Shin‐ichi

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Trichoblastic infundibular cyst should be renamed infundibular cyst with unique papillary projections by Kobayashi, Kenta, Yokoyama, Tomoaki, Masuda, Yoko, Hashimoto, Ichiro, Ansai, Shin‐ichi

“…Trichoblastic infundibular cyst (TBIC) was previously reported as a unique keratinous cystic lesion, which was characterized by the papillary projections of…”
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A case of cutaneous syncytial myoepithelioma with extensive adipocytic metaplasia: Usefulness of EWSR1‐PBX3 gene fusion analysis by Shimada, Kanade, Ansai, Osamu, Katsumi, Tatsuya, Deguchi, Tokiko, Hayashi, Ryota, Yuki, Akihiko, Nakamura, Mai, Umezu, Hajime, Fukumoto, Takaya, Ansai, Shin‐Ichi, Abe, Riichiro

“…Cutaneous syncytial myoepithelioma (CSM) is a recently recognized variant of myoepithelioma characterized by an intradermal syncytial proliferation of…”
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Distribution of CD1a‐positive cells is not different between pseudolymphomatous folliculitis and primary cutaneous marginal zone lymphoma by Shojiguchi, Naoko, Arai, Eiichi, Anan, Takashi, Ansai, Shin‐ichi, Tsuchida, Tetsuya, Yasuda, Masanori

“…Pseudolymphomatous folliculitis (PLF) is a subtype of cutaneous pseudolymphoma that is recognized as an independent disease. PLF is characterized by dermal…”
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Japanese Dermatological Association Guidelines: Outlines of Guidelines for Cutaneous Squamous Cell Carcinoma 2020 by Ansai, Shin‐ichi, Umebayashi, Yoshihiro, Katsumata, Noriyuki, Kato, Hiroshi, Kadono, Takafumi, Takai, Toshihiro, Namiki, Takeshi, Nakagawa, Masahiro, Soejima, Toshinori, Koga, Hiroshi, Sugaya, Makoto

“…In consideration of the development of treatment options for squamous cell carcinoma (SCC), the Japanese Skin Cancer Society issued the first guidelines of SCC…”
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Case of subcorneal pustular dermatosis during carfilzomib treatment for immunoglobulin G κ multiple myeloma by Hagino, Teppei, Koto, Mototaka, Ansai, Shin‐Ichi, Hoashi, Toshihiko, Saeki, Hidehisa, Kanda, Naoko

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Serum Interleukin-18 Provides a Clue to the Diagnosis of Adult-Onset Still's Disease: Findings from 6 Japanese Patients with Adult-Onset Still's Disease by Ogita, Azusa, Ansai, Shin-ichi, Saeki, Hidehisa

“…Background: Adult-onset Still's disease (AOSD) is a systemic autoinflammatory disorder accompanied by skin eruption. However, typical skin eruptions, such as…”
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What Is a Solitary Keratoacanthoma? A Benign Follicular Neoplasm, Frequently Associated with Squamous Cell Carcinoma by Ogita, Azusa, Ansai, Shin-ichi

“…We present histopathological criteria for diagnosing keratoacanthoma (KA). In KA, four histological stages are recognized, which are the early/proliferative…”
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Reevaluating hybrid neurofibroma/schwannoma: Predominance of schwannoma features despite CD34 positivity and initial neurofibroma diagnosis by Katsumi, Tatsuya, Hayashi, Ryota, Takei, Shingo, Ansai, Osamu, Takatsuka, Sumiko, Takenouchi, Tatsuya, Saito, Kyota, Suda, Kazuaki, Yoshihara, Kosuke, Nagai, Takahiro, Okuda, Shujiro, Fukumoto, Takaya, Ansai, Shin‐ichi, Nakamura, Anna, Katsuumi, Koji, Ariizumi, Takashi, Ogose, Akira, Kawashima, Hiroyuki, Abe, Riichiro

“…Schwannomas consist of both high‐cellularity regions (Antoni A area) and hypocellular regions (Antoni B area) in histopathological findings. Neurofibromas…”
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Secondary Cutaneous Ossification in Keloids of the Lower Abdomen: A Report of Two Cases by Tosa, Mamiko, Ansai, Shin-ichi, Ogawa, Rei

“…Cutaneous ossification is a rare benign dermatological condition in which bone forms in the dermis or subcutaneous tissue. It is classified as primary when it…”
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Case of spiradenocylindroma expressed hair follicle stem cell markers by Sato, Takahiko, Noto, Mai, Ansai, Shin‐ichi, Ishikawa, Norihisa, Manabe, Motomu, Osada, Shin‐Ichi

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Histopathological diagnosis of epithelial crateriform tumors: Keratoacanthoma and other epithelial crateriform tumors by Ogita, Azusa, Ansai, Shin-ichi, Misago, Noriyuki, Anan, Takashi, Fukumoto, Takaya, Saeki, Hidehisa

“…Keratoacanthoma (KA) is a unique and distinct clinicopathological entity, although there is often confusion regarding its differentiation from other types of…”
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Clinicopathological analysis of 384 cases of poroid neoplasms including 98 cases of apocrine type cases by Ito, Keigo, Ansai, Shin‐ichi, Fukumoto, Takaya, Anan, Takashi, Kimura, Tetsunori

“…We examined 384 cases of poroid neoplasms. Most cases (n = 279, 72.7%) exhibited the features of only one subtype. One hundred and ninety‐eight cases (51.6%)…”
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CD117 (KIT) is a useful immunohistochemical marker for differentiating porocarcinoma from squamous cell carcinoma by Goto, Keisuke, Takai, Toshihiro, Fukumoto, Takaya, Anan, Takashi, Kimura, Tetsunori, Ansai, Shin-ichi, Oshitani, Yoshimi, Murata, Yozo, Sakuma, Toshiko, Hirose, Takanori

“…Background Distinguishing porocarcinoma from squamous cell carcinoma (SCC) is clinically significant but can pose a diagnostic dilemma. The present study…”
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Case of warty dyskeratoma on the anterior chest: The relationship between its dermoscopic and histopathological findings by Isaka, Yuri, Matsuda, Hidenori, Ogita, Azusa, Saeki, Hidehisa, Tanaka, Masaru, Ansai, Shin‐ichi

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Pseudomyogenic Hemangioendothelioma by Ansai, Shin-ichi, Morimoto, Maya, Akaishi, Satoshi

“…Pseudomyogenic hemangioendothelioma (PMHE) is a new entity. It is an intermediate soft tissue tumor clinically and/or histopathologically mimicking some other…”
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