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  1. Upper gastrointestinal bleeding (UGIB) is a routine medical emergency. The most common non-variceal cause is peptic ulcer disease, while a rare presentation is peptic ulcer-induced splenic artery pseudoaneurys...

    Authors: Hidetoshi Shidahara, Nobuaki Fujikuni, Kazuaki Tanabe, Tomoyuki Abe, Keisuke Nishihara, Toshio Noriyuki and Masahiro Nakahara
    Citation: Surgical Case Reports 2022 8:196
  2. Gastrointestinal stromal tumors (GISTs) are rare mesenchymal tumors, but are the most common mesenchymal tumors of the gastrointestinal tract. The risk classification of GISTs is based on the tumor size, mitot...

    Authors: Junya Mita, Kazuhiro Tada, Yusuke Kuboyama, Shoji Hiroshige, Shun Nakamura, Junichi Takahashi, Kazuhito Sakata, Hiroshi Mizuuchi, Taro Oba, Fumitaka Yoshizumi, Kentaro Iwaki, Hideya Takeuchi, Kiyoshi Kajiyama and Kengo Fukuzawa
    Citation: Surgical Case Reports 2022 8:195
  3. Situs inversus (SI) is a rare congenital condition characterized by organ transposition from their normal positions. Careful preoperative planning is important for the safe operation of patients with SI becaus...

    Authors: Kei Sato, Junki Yamada, Naohito Meguro, Hiroshi Onishi, Kanechika Den, Hiroyuki Baba and Mitsutaka Sugita
    Citation: Surgical Case Reports 2022 8:194
  4. Collision tumors are a subtype of simultaneous tumors wherein two unrelated tumors collide or infiltrate each other. Collision gastric adenocarcinomas (CGA) are rare and difficult to diagnose, and their clinic...

    Authors: Hiromitsu Imataki, Hideo Miyake, Hidemasa Nagai, Yuichiro Yoshioka, Norihiro Yuasa, Junichi Takamizawa, Ayami Kiriyama and Masahiko Fujino
    Citation: Surgical Case Reports 2022 8:193
  5. Pancreatic cancer has one of the worst prognoses of any all cancers. 5-FU/leucovorin + irinotecan + oxaliplatin (FOLFIRINOX), gemcitabine (GEM) plus nab-paclitaxel regimens have been recognized as global-stand...

    Authors: Koji Kikuchi, Akira Umemura, Hiroyuki Nitta, Hirokatsu Katagiri, Masao Nishiya, Noriyuki Uesugi, Tamotsu Sugai, Keisuke Imanari and Akira Sasaki
    Citation: Surgical Case Reports 2022 8:192
  6. There are numerous indications for minimally invasive surgery. However, the laparoscopic approach for extended pelvic surgery is currently provided by only a few institutions specializing in cancer treatment, ...

    Authors: Kyoichi Kihara, Yuri Koyama, Takehiko Hanaki, Kozo Miyatani, Tomoyuki Matsunaga, Manabu Yamamoto, Shuichi Morizane, Naruo Tokuyasu, Teruhisa Sakamoto and Yoshiyuki Fujiwara
    Citation: Surgical Case Reports 2022 8:191
  7. Congenital portosystemic shunt is an infrequent abnormal connection between the portal vascular system and the systemic circulation. Portosystemic shunts are common findings in patients with cirrhosis, causing...

    Authors: Yoshihiro Nagao, Katsuya Toshida, Akinari Morinaga, Takahiro Tomiyama, Yukiko Kosai, Tomonari Shimagaki, Takahiro Tomino, Huanlin Wang, Takeshi Kurihara, Takeo Toshima, Kazutoyo Morita, Shinji Itoh, Noboru Harada and Tomoharu Yoshizumi
    Citation: Surgical Case Reports 2022 8:190
  8. Histiocytic sarcoma is a rare malignant tumor that is similar in characteristics to a mature histiocyte/macrophage and is a relatively new disease entity. In approximately one-third of cases, the site of origi...

    Authors: Kohei Segami, Shinjiro Kobayashi, Masaki Hiwatari, Yuta Ogura, Masafumi Katayama, Satoshi Koizumi, Motohiro Chosokabe, Junki Koike and Takehito Otsubo
    Citation: Surgical Case Reports 2022 8:189
  9. Microcystic pancreatic serous cystadenoma (SCA) can be managed without surgery in selected patients. However, the preoperative diagnosis of microcystic SCA remains challenging, and it is potentially misdiagnos...

    Authors: Shinichiro Nakamura, Yasuhiro Murata, Katsunori Uchida, Kenichiro Nishikawa, Yusuke Iizawa, Takehiro Fujii, Akihiro Tanemura, Naohisa Kuriyama, Masashi Kishiwada and Shugo Mizuno
    Citation: Surgical Case Reports 2022 8:188
  10. Thrombotic microangiopathy is a syndrome characterized by microangiopathic hemolytic anemia and platelet aggregation, which is caused by endothelial injury, microcirculation thrombosis, and fibrin deposition. ...

    Authors: Naohiro Ijiri, Masaaki Sato, Chihiro Konoeda, Kazuhiro Nagayama and Jun Nakajima
    Citation: Surgical Case Reports 2022 8:187
  11. A pseudoaneurysm of the splanchnic vessels is considered to be rare, and in particular, very few cases of pseudoaneurysm in the ileocolic artery are reported. Here, we report a case of rupture of a pseudoaneur...

    Authors: Junpei Takashima, Keizo Taniguchi, Ayaka Koizumi, Fumi Shigehara, Kenji Yamazaki, Daisuke Fujimoto, Fumihiko Miura and Hirotoshi Kobayashi
    Citation: Surgical Case Reports 2022 8:186
  12. Curative surgery is the most effective treatment for intrahepatic cholangiocarcinoma (ICC). When an ICC involves the suprahepatic inferior vena cava (IVC), hepatectomy with suprahepatic IVC resection and recon...

    Authors: Shunichi Ariizumi, Masakazu Yamamoto, Azumi Hamasaki, Yoshihito Kotera, Takaaki Kato, Hiroto Egawa, Hiroshi Niinami and Goro Honda
    Citation: Surgical Case Reports 2022 8:185
  13. Systemic artery to pulmonary vessel fistula (SAPVF) is an uncommon abnormal vascular communication between systemic arteries and the lung parenchyma. It has been reported that the appropriate treatment for SAP...

    Authors: Kyoto Matsudo, Naoki Haratake, Yuki Ono, Mikihiro Kohno, Tomoyoshi Takenaka and Tomoharu Yoshizumi
    Citation: Surgical Case Reports 2022 8:184
  14. Emphysematous pancreatitis is acute pancreatitis associated with emphysema based on imaging studies and has been considered a subtype of necrotizing pancreatitis. Although some recent studies have reported the...

    Authors: Kohei Chida, Keinosuke Ishido, Yoshiyuki Sakamoto, Norihisa Kimura, Hajime Morohashi, Takuya Miura, Taiichi Wakiya, Hiroshi Yokoyama, Hayato Nagase, Daichi Ichinohe, Akiko Suto, Daisuke Kuwata, Aika Ichisawa, Akie Nakamura, Daiki Kasai and Kenichi Hakamada
    Citation: Surgical Case Reports 2022 8:183
  15. Situs inversus totalis (SIT) is a relatively rare condition, in which the thoracic and abdominal organs are reversed or mirrored from their normal positions. Here, we reported a case of a patient with SIT and ...

    Authors: Shunsuke Fujita, Tsuyoshi Etoh, Yohei Kono, Hajime Fujishima, Kosuke Suzuki, Shigeo Ninomiya, Yoshitake Ueda, Hidefumi Shiroshita, Norio Shiraishi and Masafumi Inomata
    Citation: Surgical Case Reports 2022 8:182
  16. Reduction en masse (REM) is a rare condition following manual inguinal hernia (IH) reduction in which a hernia sac is reduced back into the preperitoneal space with a loop of the bowel incarcerated at the neck...

    Authors: Keisuke Yano, Koshiro Sugita, Koji Yamada, Mayu Matsui, Waka Yamada, Chihiro Kedoin, Masakazu Murakami, Toshio Harumatsu, Shun Onishi, Takafumi Kawano, Mitsuru Muto and Satoshi Ieiri
    Citation: Surgical Case Reports 2022 8:181
  17. A leiomyosarcoma of the gastrointestinal tract is extremely rare. We report a case of jejunal leiomyosarcoma with intestinal intussusception at the angle of Treitz that was successfully treated with laparoscop...

    Authors: Kenichi Nakamura, Susumu Shibasaki, Seiji Yamada, Kazumitsu Suzuki, Akiko Serizawa, Shingo Akimoto, Masaya Nakauchi, Tsuyoshi Tanaka, Kazuki Inaba, Ichiro Uyama and Koichi Suda
    Citation: Surgical Case Reports 2022 8:180
  18.  Intravascular papillary endothelial hyperplasia (IPEH), also known as Masson's tumor, is a benign, non-neoplastic vascular lesion that is characterized by reactive proliferation of papillary endothelial cells...

    Authors: Tomoyoshi Endo, Hidetoshi Katsuno, Kenji Kikuchi, Takayuki Ochi, Kazuhiro Matsuo, Kazumitsu Suzuki, Hironobu Yasuoka, Yuko Nakano, Mitsuru Nakagawa, Makoto Kuroda and Zenichi Morise
    Citation: Surgical Case Reports 2022 8:179
  19. Congenital diaphragmatic hernia (CDH) is sometimes associated with complications involving herniation of intrathoracic organs, which further increase mortality rate. We encountered a case of postoperative gast...

    Authors: Noboru Oyachi, Fuminori Numano, Tamami Fukatsu, Atsushi Nemoto and Atsushi Naito
    Citation: Surgical Case Reports 2022 8:178
  20. Mucinous cystic neoplasm of the liver (MCN-L) is a rare cystic tumor as defined by the 2010 World Health Organization classification. MCN-L usually does not communicate with or grow into the bile duct. Herein,...

    Authors: Yasuhiro Fukui, Akihiro Murata, Sadatoshi Shimizu, Kayo Sai, Takuma Okada, Tetsuzo Tashima, Shintaro Kodai, Akishige Kanazawa and Takahiro Okuno
    Citation: Surgical Case Reports 2022 8:177
  21. Aortopulmonary mediastinal paragangliomas are rare. Complete resection of the tumor is desirable regardless of tumor size in view of the risk of sudden death induced by adjacent organ compression and poor prog...

    Authors: Kota Itagaki, Hirotsugu Notsuda, Tomoyuki Suzuki, Ryota Tanaka, Hiroki Kamada, Kei Omata, Yuta Tezuka, Hideki Ota, Yoshinori Okada and Yoshikatsu Saiki
    Citation: Surgical Case Reports 2022 8:176
  22. A hemothorax as the initial manifestation of bronchiectasis is extremely rare. We report a case of a sudden hemothorax due to exacerbation of clinically latent bronchiectasis under a direct oral anticoagulant.

    Authors: Hikaru Nakayama, Asuka Uebayashi, Shota Yagi, Shuhei Iizuka, Yoshiro Otsuki and Toru Nakamura
    Citation: Surgical Case Reports 2022 8:175
  23. Mediastinal foreign bodies might cause mediastinal organ injury or mediastinal abscess. The prompt removal surgery of mediastinal foreign bodies is needed to prevent those complications. We report a case in wh...

    Authors: Takashi Sakuma, Tatsuro Tamura, Mikio Nambara, Ken Gyobu, Mami Yoshii, Takahiro Toyokawa, Shigeru Lee, Hiroaki Tanaka, Kazuya Muguruma, Masakazu Yashiro, Masaichi Ohira and Kiyoshi Maeda
    Citation: Surgical Case Reports 2022 8:174
  24. The spread of COVID-19 infection increased the number of patients who underwent pulmonary resection for lung cancer after COVID-19 infection. It is unclear how previous infection with COVID-19 affects perioper...

    Authors: Hiroaki Komatsu, Nobuhiro Izumi, Takuma Tsukioka, Hidetoshi Inoue, Ryuichi Ito, Satoshi Suzuki and Noritoshi Nishiyama
    Citation: Surgical Case Reports 2022 8:173
  25. A 69-year-old woman presented with acute type A aortic dissection complicated by extensive hemorrhagic cerebral infarction due to brain malperfusion. Emergency decompressive craniectomy was initially performed...

    Authors: Masaki Kano, Akinari Iwahori and Hitoshi Ogino
    Citation: Surgical Case Reports 2022 8:172
  26. It has been reported that hepatocellular carcinoma (HCC) with spindle cell tumor accounts for 1.8% of all HCCs, but spindle cell tumors that do not show an obvious conventional HCC are extremely rare. In this ...

    Authors: Tomohiko Ikehara, Tadaaki Shimizu, Shohei Hirano, Kentaro Fukushima, Jun-ichi Yoshizawa, Toshitsugu Nakamura and Ataru Nakayama
    Citation: Surgical Case Reports 2022 8:171
  27. Undifferentiated embryonal sarcoma of the liver (UESL) is a rare malignant mesenchymal tumor that usually occurs in children and is rarely diagnosed in adults.

    Authors: Tomonari Shimagaki, Keishi Sugimachi, Yohei Mano, Emi Onishi, Yuki Tanaka, Rie Sugimoto, Kenichi Taguchi, Masaru Morita and Yasushi Toh
    Citation: Surgical Case Reports 2022 8:170
  28. Pancreatic cancer (PC) is a highly lethal malignancy, even if surgical resection is possible (median survival: < 30 months). The prognosis of borderline resectable pancreatic cancer (BR-PC) is even worse. Ther...

    Authors: Mitsuru Kinoshita, Sota Watanabe, Gaku Mizojiri, Akitada Sada, Hiroki Kai, Yasunori Masuike, Yoshinobu Nagasawa, Kentaro Maruyama, Kyowon Lee, Mai Ohata, Osamu Ishikawa and Hiroshi Oka
    Citation: Surgical Case Reports 2022 8:169
  29. Short bowel syndrome (SBS) is a rare yet costly disease with an incidence rate of 3 per million people. Herein, we report a rare case of eosinophilic gastrointestinal disorders (EGIDs) with SBS after strangula...

    Authors: Yuhki Arai, Yoshiaki Kinoshita, Takashi Kobayashi, Yoshiaki Takahashi, Toshiyuki Ohyama, Naoki Yokota, Yu Sugai, Shoichi Takano, Yu Hamasaki, Utako Kaneko and Satoshi Kanada
    Citation: Surgical Case Reports 2022 8:168
  30. Concurrent breast cancer and malignant lymphoma is a rare phenomenon. This report describes malignant lymphoma that was incidentally diagnosed from a sentinel lymph node biopsy (SLNB) during breast cancer surg...

    Authors: Emiko Hiraoka, Norio Masumoto, Takaoki Furukawa, Norimasa Kuraoka, Ichiro Nagamine, Aya Kido, Kazuhiro Sentani and Sunao Ootagaki
    Citation: Surgical Case Reports 2022 8:167
  31. Epithelioid hemangioendothelioma (EHE) is a rare and slow-growing malignant vascular neoplasm composed of epithelioid endothelial cells within a distinctive myxohyaline stroma. It most commonly involves somati...

    Authors: Takayoshi Niwa, Takaaki Konishi, Asako Sasahara, Ayaka Sato, Arisa Morizono, Mayumi Harada, Kotoe Nishioka, Osamu Fukuoka, Naohiro Makise, Yuki Saito, Mizuo Ando, Takako Yoshimoto, Takeshi Shikama, Satoshi Yamashita, Masahiko Tanabe and Yasuyuki Seto
    Citation: Surgical Case Reports 2022 8:166
  32. Fungal infection may develop because of immunosuppression after organ transplantation, in which invasive types, such as Aspergillus and Mucorales, fungi cause morbidity. We present a case of disseminated mucormyc...

    Authors: Atsuyoshi Mita, Shohei Hirano, Takeshi Uehara, Kai Uehara, Yasunari Ohno, Koji Kubota, Yuichi Masuda, Tsuyoshi Notake, Kazuki Yoshizawa, Akira Shimizu and Yuji Soejima
    Citation: Surgical Case Reports 2022 8:164
  33. Superior mesenteric artery (SMA) syndrome denotes a mechanical duodenal obstruction between the SMA and aorta. Total parenteral or enteral nutrition is the treatment of choice. However, surgical intervention i...

    Authors: Akiharu Kimura, Nobuhiro Morinaga, Wataru Wada, Kyoichi Ogata, Akiko Morishita, Takayuki Okuyama, Hiroyuki Kato, Makoto Sohda, Ken Shirabe and Hiroshi Saeki
    Citation: Surgical Case Reports 2022 8:163
  34. Yolk sac tumor (YST) is a germ cell tumor that is generally associated with good prognosis in children. It has been recently reported that vaginal YSTs can be cured using chemotherapy alone. Thus, minimal inva...

    Authors: Motohiro Kano, Ryoya Furugane, Keita Hogetsu, Yuji Yamada, Junnosuke Maniwa, Tamotsu Kobayashi, Naoki Hashizume, Teizaburo Mori, Eiichiro Watanabe, Masataka Takahashi, Akihiro Fujino, Yutaka Kanamori, Keita Terashima, Kimikazu Matsumoto and Akihiro Yoneda
    Citation: Surgical Case Reports 2022 8:162
  35. Although infantile hepatic hemangioma and hepatic mesenchymal hamartoma are relatively common in benign pediatric liver tumors, coexistence of the two tumors is rare. Placental mesenchymal dysplasia is also a ...

    Authors: Shunsuke Fujii, Kyoko Mochizuki, Hidehito Usui, Norihiko Kitagawa, Sayoko Umemoto, Mio Tanaka, Yukichi Tanaka, Masako Otani, Kumiko Nozawa, Kenji Kurosawa, Masayo Kagami and Masato Shinkai
    Citation: Surgical Case Reports 2022 8:161
  36. Typically, in cases of adenomatous polyposis, colorectal cancer develops in the third or fourth decade of life. We report the case of a female patient with colorectal polyposis who developed adenocarcinoma at ...

    Authors: Masahiro Zenitani, Hidehito Inagaki, Hiroki Kurahashi and Takaharu Oue
    Citation: Surgical Case Reports 2022 8:160
  37. The treatment of locally advanced colon cancer is challenging, particularly when there is invasion of the abdominal wall. In such cases, balancing the securing of margins and sufficiently repairing abdominal w...

    Authors: Tsukasa Aritake, Akira Ouchi, Koji Komori, Takashi Kinoshita, Yusuke Sato, Ryota Nakamura, Keisuke Takanari, Hiroya Taniguchi, Kei Muro, Seiichi Kato, Tetsuya Abe, Seiji Ito and Yasuhiro Shimizu
    Citation: Surgical Case Reports 2022 8:159
  38. The median arcuate ligament syndrome (MALS) is a disease in which the celiac artery is compressed by the arcuate ligament and causes stenosis. If abdominal pain or an aneurysm is observed in the head of the pa...

    Authors: Sho Ueda, Masato Maeda, Kenta Nishitani, Tada Seiichiro, Keisuke Kawamorita, Tomoyasu Takayanagi, Toshiki Kobayashi, Yosuke Hashimoto and Kei Yonezawa
    Citation: Surgical Case Reports 2022 8:158
  39. Granulocyte colony-stimulating factor (G-CSF) is increasingly used to prevent chemotherapy-associated febrile neutropenia. Generally, aortitis is not considered a side effect of G-CSF and is thought to be extr...

    Authors: Nana Matsumoto, Naoto Kondo, Yumi Wanifuchi-Endo, Tomoko Asano, Tomoka Hisada, Yasuaki Uemoto, Akiko Kato, Mitsuo Terada, Natsumi Yamanaka, Ayaka Isogai, Muneyuki Takayama, Takeshi Hasegawa, Koichi Ito, Keiji Mashita and Tatsuya Toyama
    Citation: Surgical Case Reports 2022 8:157
  40. Esophageal atresia with or without a trachea–esophageal fistula occurs due to the failure of separation or incomplete development of the foregut. Therefore, esophageal atresia is often associated with various ...

    Authors: Terutaka Tanimoto, Takuo Noda, Reisuke Imaji and Hiroshi Nouso
    Citation: Surgical Case Reports 2022 8:156
  41. Pegfilgrastim (PEG) is a sustained-duration pegylated form of filgrastim, a granulocyte-colony stimulating factor agent that is widely used as prophylaxis against febrile neutropenia during chemotherapy. We re...

    Authors: Yukiko Seto, Nobuyoshi Kittaka, Azusa Taniguchi, Haruka Kanaoka, Satomi Nakajima, Yuri Oyama, Hiroki Kusama, Noriyuki Watanabe, Saki Matsui, Minako Nishio, Fumie Fujisawa, Koji Takano, Hideyuki Arita and Takahiro Nakayama
    Citation: Surgical Case Reports 2022 8:155
  42. Esophageal gastrointestinal stromal tumors (GISTs) are rare tumors of the gastrointestinal interstitium, and comprise less than 0.7% of all GISTs. The presentation of esophageal GIST is relatively benign, comm...

    Authors: Shohei Ohki, Naoki Enomoto, Daiki Kato, Shusuke Yagi, Hitomi Wake, Kyoko Nohara, Hideki Miyazaki, Toru Igari, Norihiro Kokudo and Kazuhiko Yamada
    Citation: Surgical Case Reports 2022 8:153
  43. Testicular torsion (TT) is common surgical emergency that requires early diagnosis and immediate intervention within 6 h since its onset to salvage the testis. However, the decision was made only by the surgeo...

    Authors: Yumi Shirasaki, Masumi Kawashima, Takuya Kimura, Hiroaki Yamanaka, Kousuke Hatta, Joel Branch and Yasuo Matsuda
    Citation: Surgical Case Reports 2022 8:152
  44. Primary cancer of the appendix, especially signet-ring cell carcinoma, is an uncommon disease, and it is rarely suspected before surgery. Diffuse intestinal ganglioneuromatosis that is not associated with neur...

    Authors: Ayami Sato, Yu Sato, Nobuyuki Hiruta, Takashi Oshiro, Yutaka Yoshida, Tasuku Urita, Tomoaki Kitahara, Kengo Kadoya, Taiki Nabekura, Yuki Moriyama and Shinichi Okazumi
    Citation: Surgical Case Reports 2022 8:151
  45. Solitary fibrous tumor (SFT) is a rare tumor of mesenchymal origin and accounts for < 2% of all soft tissue masses. Although SFT has been identified in multiple anatomic locations and can grow anywhere in the ...

    Authors: Shoei Kuroki, Takanori Ayabe, Toshihiro Gi, Yuichiro Sato, Hiroshi Nakada and Ryo Maeda
    Citation: Surgical Case Reports 2022 8:150
  46. Acute aortic dissection type A is among the most lethal surgical emergencies. Patients may suffer from occlusion of the aorta or its branches causing end-organ malperfusion complicating the diagnosis and worse...

    Authors: Venny Lise Kvalheim, Maria Devold Soknes, Guttorm Lysvold Jenssen and Rune Haaverstad
    Citation: Surgical Case Reports 2022 8:149
  47. Splenic artery aneurysms usually rupture into the free peritoneal space and rarely into the gastrointestinal tract. We report the case of a patient with a giant splenic artery aneurysm that ruptured in to the ...

    Authors: Chihiro Yoshikawa, Ichiro Yamato, Yasuyuki Nakata, Tadashi Nakagawa, Takashi Inoue, Mitsuhiro Nakatani, Daiki Nezu, Shunsuke Doi, Yasuhiro Kuroda, Kazuki Fujii, Shouhei Kishida, Midori Kamikubo and Saiho Ko
    Citation: Surgical Case Reports 2022 8:148

    The Correction to this article has been published in Surgical Case Reports 2022 8:216

  48. The prevalence and incidence of neuroendocrine tumors (NETs) are increasing worldwide. Primary mesenteric NETs are extremely rare. Solid tumors that arise in the mesentery are typically metastatic. We present ...

    Authors: Shigemi Morishita, Shinichi Yoshida, Yasufumi Kamatani, Shinya Suzuhigashi, Masaki Kitou and Takuma Nasu
    Citation: Surgical Case Reports 2022 8:146

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