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Featured researches published by Atsuko Minami.


Acta Cytologica | 1999

Morphologic Analyses of Positive Peritoneal Cytology in Endometrial Carcinoma

Kenji Yanoh; Nobuhiro Takeshima; Yasuo Hirai; Atsuko Minami; Masafumi Tsuzuku; Nagayasu Toyoda; Katsuhiko Hasumi

OBJECTIVE To investigate the relationship between the morphologic features of endometrial adenocarcinoma cells in peritoneal fluids (effusions and washings) and macroscopic intraabdominal adenocarcinoma at laparotomy as well as prognosis. STUDY DESIGN Seventy-one patients with endometrial adenocarcinoma who showed positive peritoneal cytology at laparotomy were clinically divided into three groups: 25 patients with macroscopic neoplastic seeding in the peritoneal cavity (type 1), 38 patients without macroscopic peritoneal metastasis who survived with no evidence of disease (type 2) and 8 patients without macroscopic peritoneal metastasis who later developed recurrence of adenocarcinoma (type 3). Morphologic features of the adenocarcinoma cells in smears of peritoneal fluids were examined. RESULTS Most of the smears from type 1 patients showed moderate to high cellularity, scalloped edges of cell clusters and isolated adenocarcinoma cells, whereas these features were seldom observed in type 2 patients. Although not all type 3 patients demonstrated these three features, patients in the series whose specimens exhibited none of the three features did not show any peritoneal lesions or have a recurrence of their disease. CONCLUSION The finding of endometrial adenocarcinoma cells exhibiting high cellularity, scalloped edge of cell clusters and isolated cells in smears of peritoneal fluid is associated with the presence of intraabdominal macroscopic metastatic lesions and could be regarded as a risk factor for intraabdominal recurrence of carcinoma.


Acta Cytologica | 2001

Identification of a high-risk subgroup in cytology-positive stage IIIA endometrial cancer

Kenji Yanoh; Nobuhiro Takeshima; Yasuo Hirai; Atsuko Minami; Masafumi Tsuzuku; Nagayasu Toyoda; Katsuhiko Hasumi

OBJECTIVE To identify a high-risk subgroup among patients with cytology-positive stage IIIA endometrial cancer. STUDY DESIGN Fifty-four stage IIIA endometrial cancer patients who were positive only on peritoneal cytology were divided into two groups based on the cytologic pattern of their peritoneal smears. In group A, malignant cell clusters had well-defined edges, while the tumor cell clusters had scalloped edges in group B. The prognostic significance of these findings was investigated. RESULTS The five-year disease-free survival rate was 97.5% in group A (n=40) versus 50% in group B (n = 14). Multivariate analysis confirmed that the cytologic pattern had an independent influence on survival. CONCLUSION Positive peritoneal cytology composed of malignant cell clusters with well-defined edges has no impact on survival. Only endometrial cancer patients who show tumor cell clusters with scalloped edges in peritoneal smears are worth considering for upstaging.


The Journal of the Japanese Society of Clinical Cytology | 2003

A case of mucoepidermoid carcinoma of the uterine cervix

Ayako Nakajima; Kuniko Utsugi; Yaeko Kobayashi; Kazuya Tamura; Tetsuya Nakagawa; Yasutaka Kawamata; Atsuko Minami; Masafumi Tsuzuku; Katsuhiko Hasumi

背景:子宮頸部粘表皮癌は, 1997年版の子宮頸癌取扱規約では項目が削除され, 腺扁平上皮癌の範疇に含まれるまれな腫瘍である. 今回, 特徴的な子宮頸部粘表皮癌の細胞像を呈した1例を経験したので報告する.症例:54歳. 集団検診時に, 子宮頸部細胞診陽性のため, 近医を受診した. 子宮頸部細胞診はclass V (扁平上皮癌), 子宮頸部組織診で腺扁平上皮癌と診断され, 7月上旬に当院紹介受診となった. 診察所見で, 子宮頸部に長径20mmの腫瘍を認めたため, 精査治療目的で入院となった.1998年7月中旬, 当院に入院. MRI断層撮影で子宮頸部後唇に30×20×23mmの限局した腫瘍が認められた. 集塊を構成する細胞は, 細胞質がやや豊富で厚く扁平上皮様形態を示す細胞と細胞質内に粘液を有し核偏在性を呈する腺系細胞が混在して認められた. 子宮頸膣部の細胞診所見は, 血性背景の中に, 腫瘍細胞が平面的な小集塊として出現. 子宮頸癌Ib1期と診断され, 7月下旬に手術を施行した. 病理組織学的所見は, 非角化型扁平上皮癌の胞巣と粘表皮癌の胞巣があり, 両者の間の移行像が認められた. 粘表皮癌の胞巣部分では, 組織構築および癌細胞の細胞質は扁平上皮癌の性格を示し, それらに混じって細胞質内に粘液を豊富に含んだ癌細胞が認められた.結論:子宮頸部原発の粘表皮癌は, 腺扁平上皮癌の範疇に含まれるが, そのなかで, 他の腺扁平上皮癌に比較して, 細胞病理学的に特徴的な像を示し, かつ, 臨床的にリンパ節転移頻度が比較的高いために, 細胞診による病変推定が必要であると考えられた.


The Journal of the Japanese Society of Clinical Cytology | 1998

A case of cervical adnosoquamous carcinoma detected by peritoneal cytology at the operation.

Satoshi Umezawa; Atsuko Minami; Takayuki Ishiya; Yasuo Hirai; Hideo Teshima; Kazuhiro Yamauchi; Masafumi Tsuzuku; Katsuhiko Hasumi

子宮頸部扁平上皮癌の診断で化学療法後, 開腹手術時に行われた腹水細胞診で腺癌細胞を認めた1症例を経験したので報告する.症例は64歳女性で, 子宮頸部組織生検による治療前の診断は, 扁平上皮癌 (大細胞非角化型) であった.抗癌剤による化学療法後, 手術開腹時の腹水細胞診にて扁平上皮癌, 腺癌両方の悪性細胞を認めた.治療前のヘマトキシリン-エオジン染色 (H-E) 組織標本では, 腺管構造は認めなかった.しかし, PAS/Alcian-Blue染色を行った結果, 少数であるが陽性細胞を同定できた.この結果から本症例が, 組織学的には腺管構造のない粘液産生能を有する腺癌成分を有する腺扁平上皮癌であると考えられた.本症例は子宮頸部擦過細胞標本での腺癌成分の混在が推定され, 術中腹水細胞診では明らかな粘液産生細胞が同定された.組織標本では腺管構造をもたないが粘液産生能のある腺癌成分の診断に細胞診が有用と思われた.


The Journal of the Japanese Society of Clinical Cytology | 1995

A case of epithelioid hemangioendothelioma of the soft tissue.

Noriyuki Furuta; Masafumi Tsuzuku; Rira Hoshi; Atsuko Minami; Reiko Furuta; Kazuhiro Yamauchi; Noriyoshi Kawaguchi; Atsuhiko Sakamoto

60歳, 女性の腋窩部に発生した類上皮血管内皮腫の1例を経験し, その細胞像について鑑別診断を中心に検討した.腫瘍細胞は主に乳頭状ないし平面状の上皮様細胞結合を示す集塊として出現していた. その細胞質には病理組織学的に特徴とされている大小の細胞質内空胞がみられた他に, 核には溝や, 核内細胞質封入像様の構造がみられた. 鑑別すべき腫瘍に上皮様細胞結合を示す腫瘍, 核溝や核内細胞質封入像様の構造がみられる腫瘍, 細胞質に空胞様の構造がみられる腫瘍があげられるが, 核, 細胞質双方に所見を合わせもっている腫瘍は少なく, 腫瘍の出現様式, 核所見, 細胞質所見を合わせて検討することで, 本腫瘍を推定診断することが可能ではないかと思われた.


The Journal of the Japanese Society of Clinical Cytology | 1991

Study on the endoscopic brushing cytology of the esophageal cancer

Saburo Harashima; Katsuhiko Hasumi; Morio Hirata; Atsuko Minami; Masafumi Tsuzuku; Motoko Ikenaga; Noriyuki Furuta

1970年より15年間に癌研究会附属病院細胞診断部で, 生検と直視下ブラッシ細胞診併用し, 検索した食道癌282例と食道良性疾患488例について細胞診陽性率を検討した.食道癌症例の平均年齢は64歳で, 60歳代に頻度が高く, 男女比は6.1: 1であった.食道癌は胸部中部に多く, X線分類ではらせん型, 内視鏡分類では潰瘍浸潤型が多かった.長径としては4.0~6.9cmの範囲の分布が多かった.食道癌細胞診陽性率は部位的にみると, 胸部上部と中部が頸部と腹部より高かった.X線分類別, 内視鏡分類別, 長径別では有意の差がなかった.食道癌282例の細胞診成績は, 陽性95.0%, 疑陽性1.4%, 陰性3.5%であった.食道良性疾患488例では, 陽性0.2%, 疑陽性3.5%, 陰性96.3%であった.


The Journal of the Japanese Society of Clinical Cytology | 1999

Cytological findings of small endometrial cancer. Application to early detection of corpus cancer.

Yuko Sugiyama; Yasuo Hirai; Atsuko Minami; Masafumi Tsuzuku; Katsuhiko Hasumi


The Journal of the Japanese Society of Clinical Cytology | 1998

Clinicocytological features of endometrial clear-cell adenocarcinoma and mixed carcinoma with a clear-cell component.

Takayuki Ishiya; Atsuko Minami; Hideo Teshima; Satoshi Umezawa; Kimihiro Nagai; Kaori Shimizu; Yasuo Hirai; Kazuhiro Yamauchi; Masafumi Tsuzuku; Katsuhiko Hasumi


The Journal of the Japanese Society of Clinical Cytology | 2003

Imprint cytology of nongestational ovarian choriocarcinoma-A case report-

Yaeko Kobayashi; Hideo Teshima; Kuniko Utsugi; Noriyuki Furuta; Atsuko Minami; Futoshi Akiyama; Masafumi Tsuzuku; Katsuhiko Hasumi


The Journal of the Japanese Society of Clinical Cytology | 2000

Cytological findings of extrauterine cancers detected by endometrial aspiration cytology.

Naotake Tanaka; Yasuo Hirai; Nobuhiro Takeshima; Shinichi Tate; Shigero Okano; Atsuko Minami; Masafumi Tsuzuku; Kazuhiro Yamauchi; Souei Sekiya; Katsuhiko Hasumi

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Katsuhiko Hasumi

Japanese Foundation for Cancer Research

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Fujimoto I

Japanese Foundation for Cancer Research

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Noriyuki Furuta

Japanese Foundation for Cancer Research

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Kazumasa Masubuchi

Japanese Foundation for Cancer Research

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Satoshi Umezawa

Japanese Foundation for Cancer Research

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Futoshi Akiyama

Japanese Foundation for Cancer Research

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Kuniko Utsugi

Japanese Foundation for Cancer Research

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Nobuhiro Takeshima

Japanese Foundation for Cancer Research

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