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  1. Alveolar echinococcosis (AE) is a rare parasitic disease caused by the larva of Echinococcus multilocularis. It nearly always occurs in the liver, and cardiac involvement is extremely rare. Liver resection is the...

    Authors: Yoichi Yamamoto, Yuzuru Sakamoto, Toshiya Kamiyama, Akihisa Nagatsu, Yoh Asahi, Tatsuya Orimo, Tatsuhiko Kakisaka, Hirofumi Kamachi, Takuya Otsuka, Tomoko Mitsuhashi and Akinobu Taketomi
    Citation: Surgical Case Reports 2022 8:63
    Content type: Case Report Published on:

  2. Dropped gallstones during laparoscopic cholecystectomy (LC) sometimes induce postoperative infectious complications. However, pleural empyema rarely occurs as a complication of LC.

    Authors: Aya Tokuda, Hiromitsu Maehira, Hiroya Iida, Haruki Mori, Nobuhito Nitta, Takeru Maekawa, Katsushi Takebayashi, Sachiko Kaida, Toru Miyake, Ryo Kuroda, Haruka Yamamoto and Masaji Tani
    Citation: Surgical Case Reports 2022 8:62
    Content type: Case Report Published on:

  3. Solid pseudopapillary neoplasms of the pancreas are rare. Moreover, pancreatoduodenectomy (PD) and postoperative care are not common in pediatric surgery. Herein, we report a case of PD and nonalcoholic fatty ...

    Authors: Toshio Sawai, Shogo Zuo, Taichi Terai, Satoshi Nishiwada, Kenji Nakagawa, Minako Nagai, Takehiro Akahori, Hiromichi Kanehiro and Masayuki Sho
    Citation: Surgical Case Reports 2022 8:61
    Content type: Case Report Published on:

  4. Cavitary lesions pathologically diagnosed as adenocarcinoma in situ (AIS) have been rarely reported. The examination of these type of lesions is necessary for a better understanding of the mechanisms underlyin...

    Authors: Takashi Sakai, Yoko Azuma, Satoshi Koezuka, Hajime Otsuka, Atsushi Sano, Naobumi Tochigi and Akira Iyoda
    Citation: Surgical Case Reports 2022 8:60
    Content type: Case Report Published on:

  5. Anaplastic lymphoma kinase (ALK)–tyrosine kinase inhibitors (TKIs) have been approved for the therapy of locally advanced non-small cell lung cancer (NSCLC) caused by ALK rearrangement. However, its treatment ...

    Authors: Hiroshi Hashimoto, Kazuyuki Komori, Koji Kameda, Shinichi Taguchi and Yuichi Ozeki
    Citation: Surgical Case Reports 2022 8:59
    Content type: Case Report Published on:

  6. In recent years, conversion surgery after chemotherapy has been considered a promising strategy for improving the prognosis of patients with stage IV gastric cancer. However, there are few reports on conversio...

    Authors: Kosuke Fukuda, Takaaki Arigami, Koki Tokuda, Shigehiro Yanagita, Daisuke Matsushita, Yota Kawasaki, Satoshi Iino, Ken Sasaki, Akihiro Nakajo, Mari Kirishima, Akihide Tanimoto, Hitoshi Tsubouchi, Hiroshi Kurahara and Takao Ohtsuka
    Citation: Surgical Case Reports 2022 8:58
    Content type: Case Report Published on:

  7. Anal metastasis of colorectal cancer is very rare and may present synchronously or metachronously, regardless of pre-existing anal diseases. We report a case of anal fistula metastasis after completion of neoa...

    Authors: Shota Fukai, Shingo Tsujinaka, Yasuyuki Miyakura, Natsumi Matsuzawa, Yuuri Hatsuzawa, Ryo Maemoto, Nao Kakizawa and Toshiki Rikiyama
    Citation: Surgical Case Reports 2022 8:57
    Content type: Case Report Published on:

  8. Lymphangioma is a non-epithelial tumor marked by aggregates of abnormally dilated lymphatics. Mesenteric occurrences account for < 1% of all cases, and < 0.05% involve the gastrointestinal tract. Most are conf...

    Authors: Hiroka Kondo, Takeshi Ohki, Shimpei Ogawa, Teppei Omori, Hiromi Onizuka, Yoji Nagashima and Shigeki Yamaguchi
    Citation: Surgical Case Reports 2022 8:56
    Content type: Case Report Published on:

  9. Protrusion of the lateral contour of the pancreatic head is a pancreatic morphological abnormality, which is known as rare shape atypia. We present a rare case of protrusion of the lateral contour of the pancr...

    Authors: Takuto Yoshida, Hideki Kawamura, Kazuhiro Mino, Yuji Konishi, Tomoya Saito, Yuichi Shimizu and Akinobu Taketomi
    Citation: Surgical Case Reports 2022 8:55
    Content type: Case Report Published on:

  10. Tracheobronchial injury in children is rare but can be highly fatal in severe cases. Therefore, prompt diagnosis and treatment are required. The appropriate treatment method depends on the extent and severity ...

    Authors: Yamato Suzuki, Hisato Ishizawa, Hiroshi Kawai, Yasushi Matsuda and Yasushi Hoshikawa
    Citation: Surgical Case Reports 2022 8:54
    Content type: Case Report Published on:

  11. Enteric duplication is a congenital disease that occurs throughout the entire gastrointestinal tract. Although it may sometimes cause intestinal volvulus, a few reports have described cases of enteric duplicat...

    Authors: Makoto Matsukubo, Mitsuru Muto, Chihiro Kedoin, Mayu Matsui, Masakazu Murakami, Koshiro Sugita, Keisuke Yano, Shun Onishi, Toshio Harumatsu, Koji Yamada, Waka Yamada, Tatsuru Kaji and Satoshi Ieiri
    Citation: Surgical Case Reports 2022 8:53
    Content type: Case Report Published on:

  12. Brain metastasis of colorectal cancer is infrequent, and isolated brain metastases are more infrequent. Thus, when neurological symptoms, such as paralysis or disturbance of consciousness appear, there is a hi...

    Authors: Yoshiyuki Tagayasu, Yuji Miyamoto, Hiroshi Sawayama, Katsuhiro Ogawa, Rikako Kato, Naoya Yoshida, Akitake Mukasa and Hideo Baba
    Citation: Surgical Case Reports 2022 8:52
    Content type: Case Report Published on:

  13. An ectopic gallbladder is a rare anomaly and can result in the misinterpretation of imaging findings and clinical confusion. Knowledge of such anomalies facilitates accurate diagnoses and prompt management. We...

    Authors: Kanako Omata, Mariko Yoshida, Kan Suzuki, Hiroshi Kawashima and Jun Fujishiro
    Citation: Surgical Case Reports 2022 8:51
    Content type: Case Report Published on:

  14. Conversion surgery, which is defined as chemotherapy or chemoradiotherapy followed by radical surgery, may improve survival of patients with initially unresectable advanced biliary tract cancer, including gall...

    Authors: Yusuke Wakasa, Yoshikazu Toyoki, Tomomi Kusumi, Yuma Kameyama, Tadashi Odagiri, Hiroyuki Jin, Makoto Nakai, Kazunori Aoki, Hiroaki Kawashima and Masaaki Endo
    Citation: Surgical Case Reports 2022 8:50
    Content type: Case Report Published on:

  15. Replaced right hepatic artery (rRHA) is a common vascular variation, and combined resection of this vessel is sometimes needed for the curative resection of pancreatic head malignancy. Safe surgical management...

    Authors: Shintaro Takeuchi, Yoshiyasu Ambo, Yoshihisa Kodama, Minoru Takada, Kentaro Kato, Fumitaka Nakamura and Satoshi Hirano
    Citation: Surgical Case Reports 2022 8:49
    Content type: Case Report Published on:

  16. Clostridium perfringens sepsis associated with massive intravascular hemolysis has an extremely poor prognosis. We here report a case of C. perfringens sepsis associated with massive intravascular hemolysis that ...

    Authors: Goro Takahashi, Yoshiharu Nakamura, Tomohiro Hayakawa, Takashi Ono, Kazuhiko Endo and Hiroshi Yoshida
    Citation: Surgical Case Reports 2022 8:48
    Content type: Case Report Published on:

  17. Although there is no established treatment strategy for liver metastasis of leiomyosarcoma, liver resection has been reported to be effective in some cases. However, almost all liver resections performed for l...

    Authors: Shoichi Tsuzaka, Yoh Asahi, Toshiya Kamiyama, Tatsuhiko Kakisaka, Tatsuya Orimo, Akihisa Nagatsu, Takeshi Aiyama, Takeyuki Uebayashi, Hirofumi Kamachi, Masatake Matsuoka, Kento Wakabayashi, Takuya Otsuka, Yoshihiro Matsuno and Akinobu Taketomi
    Citation: Surgical Case Reports 2022 8:47
    Content type: Case Report Published on:

  18. Anomalous bifurcation of the right superior pulmonary vein is an important anomaly that should be recognized not only in respiratory and cardiac surgeries, but also in esophageal surgery for the safe performan...

    Authors: Naoki Kuwayama, Isamu Hoshino, Hisashi Gunji, Toru Tonooka, Hiroaki Soda, Takeshi Kurosaki, Nobuhiro Takiguchi, Yoshihiro Nabeya and Wataru Takayama
    Citation: Surgical Case Reports 2022 8:46
    Content type: Case Report Published on:

  19. The major sites of distant metastases of papillary thyroid carcinoma (PTC) are the lung and bone; metastasis to the liver is rare. Although the postoperative serum thyroglobulin (Tg) level after total thyroide...

    Authors: Minoru Kihara, Akira Miyauchi, Mitsuyoshi Hirokawa, Makoto Fujishima, Hiroo Masuoka, Takuya Higashiyama, Naoyoshi Onoda, Yasuhiro Ito and Akihiro Miya
    Citation: Surgical Case Reports 2022 8:45
    Content type: Case Report Published on:

  20. Benign multicystic peritoneal mesothelioma (BMPM) is a benign tumor that usually occurs in middle-aged females. Although several published studies have reported the occurrence of this tumor in the abdominal ca...

    Authors: Hiroyuki Oshikiri, Yohei Ozawa, On Suzuki, Masahiro Usuda and Go Miyata
    Citation: Surgical Case Reports 2022 8:44
    Content type: Case Report Published on:

  21. Pygopagus is a type of conjoined twin binding at the buttocks. Some cases of pygopagus involve the fusion of the gastrointestinal tract, urinary tract, and spinal cord. Few cases of male pygopagus have been re...

    Authors: Chiyoshi Toyama, Motonari Nomura, Yuko Tazuke, Chisato Yokota, Naoki Kagawa, Haruhiko Kishima, Akihiro Yoshimura, Takeshi Ujike, Akira Nagahara, Norio Nonomura, Tateki Kubo, Futoshi Matsui, Fumi Matsumoto and Hiroomi Okuyama
    Citation: Surgical Case Reports 2022 8:43
    Content type: Case Report Published on:

  22. Undifferentiated carcinoma with osteoclast-like giant cells (UCOGCs) is a rare subtype of pancreatic cancer (PC), and its clinicopathological characteristics are still unclear. Herein, we report a case of init...

    Authors: Yosuke Igarashi, Takeshi Gocho, Tomohiko Taniai, Tadashi Uwagawa, Ryoga Hamura, Yoshihiro Shirai, Jungo Yasuda, Koichiro Haruki, Kenei Furukawa and Toru Ikegami
    Citation: Surgical Case Reports 2022 8:42
    Content type: Case Report Published on:

  23. Non-anastomotic thoracic aortic graft rupture is extremely rare and difficult to diagnose. Non-obstructive general angioscopy can help monitor the aortic intima and detect the locations of abnormal findings, w...

    Authors: Fumio Yamana, Koichi Maeda, Yuma Hamanaka, Noriko Kodani, Keitaro Domae, Masatoshi Hata, Yoshiharu Higuchi, Yukitoshi Shirakawa and Takafumi Masai
    Citation: Surgical Case Reports 2022 8:41
    Content type: Case Report Published on:

  24. Situs inversus totalis (SIT) is a rare congenital abnormality in which the thoracic and abdominal organs are reversed or mirrored from their usual positions. We herein report the first case of robot-assisted t...

    Authors: Kaoru Katano, Noriyuki Inaki, Takahisa Yamaguchi, Hiroto Saito, Mari Shimada, Shiro Terai, Koichi Okamoto, Hideki Moriyama, Jun Kinoshita, Keishi Nakamura and Itasu Ninomiya
    Citation: Surgical Case Reports 2022 8:40
    Content type: Case Report Published on:

  25. Despite improvement of postoperative management, pancreatoduodenectomy still has a high rate of major complications. Therefore, careful assessment is critically important when we consider high risk surgery for...

    Authors: Yu Suyama, Koichiro Haruki, Ryoga Hamura, Masashi Tsunematsu, Yoshihiro Shirai, Tomohiko Taniai, Mitsuru Yanagaki, Kenei Furukawa, Shinji Onda, Hiroaki Shiba and Toru Ikegami
    Citation: Surgical Case Reports 2022 8:39
    Content type: Case Report Published on:

  26. Mixed neuroendocrine-non-neuroendocrine neoplasm (MINEN) is a rare disease and there is scarce literature on its diagnosis, treatment, and prognosis. We encountered two unusual cases of MINEN in the biliary tr...

    Authors: Ayano Tamaki, Yuma Tani, Hiroki Sato, Ryuichi Yoshida, Kazuya Yasui, Shigeru Horiguchi, Takashi Kuise, Yuzo Umeda, Kazuhiro Yoshida, Tomokazu Fuji, Kenjiro Kumano, Kosei Takagi, Takahito Yagi and Toshiyoshi Fujiwara
    Citation: Surgical Case Reports 2022 8:38
    Content type: Case Report Published on:

  28. There are many reports of non-occlusive mesenteric ischemia in patients on maintenance hemodialysis and following cardiac surgery. However, there are few reports of non-occlusive mesenteric ischemia in patient...

    Authors: Kazuki Fujii, Tadahiko Seki, Yasuyuki Nakata, Kazuaki Atagi and Takeshi Matsuyama
    Citation: Surgical Case Reports 2022 8:36
    Content type: Case Report Published on:

  29. Angiosarcomas are rare malignant tumors that arise from the endothelium of blood vessels. They occur most commonly in the skin and soft tissue, and less commonly in the breast, liver, bone, and spleen. Gastroi...

    Authors: Shinya Sakamoto, Takehiro Okabayashi, Motoyasu Tabuchi, Kenta Sui, Takahiro Murokawa and Jun Iwata
    Citation: Surgical Case Reports 2022 8:35
    Content type: Case Report Published on:

  30. Radioiodine (I-131) whole-body scintigraphy (WBS) is a useful modality for identifying functionally preserved thyroid tissue and metastases from differentiated thyroid cancer (DTC); however, the specificity of...

    Authors: Takahiro Murokawa, Takehiro Okabayashi, Kazuyuki Oishi, Kenta Sui, Motoyasu Tabuchi and Jun Iwata
    Citation: Surgical Case Reports 2022 8:34
    Content type: Case Report Published on:

  31. Causes of extrahepatic portal vein obstruction include abdominal surgeries such as pancreaticoduodenectomy. We improved jejunal variceal bleeding due to extrahepatic portal vein occlusion after pancreaticoduod...

    Authors: Shohei Shiozaki, Yasuhiro Matsugu, Michinori Hamaoka and Tatsuro Ishimoto
    Citation: Surgical Case Reports 2022 8:33
    Content type: Case Report Published on:

  32. Angiolipoma is a rare histological variant of lipoma. Angiolipoma commonly occurs in the subcutaneous tissues of the extremity and trunk. There are few reports of angiolipoma occurring in the chest wall.

    Authors: Takahiro Omori and Sho Nakamura
    Citation: Surgical Case Reports 2022 8:32
    Content type: Case Report Published on:

  33. Intracholecystic papillary neoplasm (ICPN) of the gallbladder is a rare tumor and a relatively new concept. Therefore, the natural history and imaging characteristics of ICPN have not yet been fully documented...

    Authors: Yusuke Watanabe, Naoki Mochidome, Hiromichi Nakayama, Yoshitaka Gotoh, Taro Setoguchi, Shunya Sunami, Reiko Yoneda, Yurina Ochiai, Kimihisa Mizoguchi, Hirofumi Yamamoto and Takashi Ueki
    Citation: Surgical Case Reports 2022 8:31
    Content type: Case Report Published on:

  34. Spontaneous rupture of a hemorrhagic hepatic cyst is extremely rare. There is no standard treatment recommended for this condition. We report two cases of hemorrhagic hepatic cysts that spontaneously ruptured ...

    Authors: Ichiya Chogahara, Akihiko Oshita, Hideki Nakahara and Toshiyuki Itamoto
    Citation: Surgical Case Reports 2022 8:30
    Content type: Case Report Published on:

  35. Primary pancreatic cancer with synchronous primary tumors in other organs is a rare condition, and its treatment largely depends on the progression of pancreatic cancer. Here, we describe a rare case of double...

    Authors: Takahiro Murokawa, Takehiro Okabayashi, Kenta Sui, Motoyasu Tabuchi and Jun Iwata
    Citation: Surgical Case Reports 2022 8:29
    Content type: Case Report Published on:

  36. Although laparoscopic incisional hernia repair, especially laparoscopic intraperitoneal onlay mesh, is a widely used technique, it can cause serious complications, including mesh erosion, adhesive bowel obstru...

    Authors: Shusaku Honma, Keisuke Tanino, Takashi Kumode, Ryosuke Mizuno, Yugo Matsui, Siyuan Yao, Teppei Murakami, Takatsugu Kan, Sanae Nakajima and Takehisa Harada
    Citation: Surgical Case Reports 2022 8:28
    Content type: Case Report Published on:

  37. Monomorphic epitheliotropic intestinal T-cell lymphoma (MEITL), a type of peripheral T-cell lymphoma, rarely involves the stomach as the primary organ. Advanced MEITL, for which there is currently no establish...

    Authors: Keiji Muramoto, Sachiko Kaida, Toru Miyake, Rie Nishimura, Katsuyuki Kito, Masanori Shiohara, Ryoji Kushima, Tomoharu Shimizu and Masaji Tani
    Citation: Surgical Case Reports 2022 8:27
    Content type: Case Report Published on:

  38. Meningioma is the most common type of benign primary brain tumor that is rarely associated with distant metastasis. No established treatment strategy for metastatic meningiomas exists to date. Herein, we repor...

    Authors: Takahiro Utsumi, Tomohito Saito, Mitsuaki Ishida, Natsumi Maru, Hiroshi Matsui, Yohei Taniguchi, Haruaki Hino and Tomohiro Murakawa
    Citation: Surgical Case Reports 2022 8:26
    Content type: Case Report Published on:

  39. Carbon-ion radiotherapy (CIRT) for esophageal cancer has been receiving significant attention given its high local control rates and minimal damage to normal tissues. However, the efficacy and safety of salvag...

    Authors: Kengo Kuriyama, Makoto Sohda, Hideyuki Saito, Yasunari Ubukata, Nobuhiro Nakazawa, Keigo Hara, Makoto Sakai, Akihiko Sano, Hiroomi Ogawa, Takaaki Sano, Shigeo Yasuda, Hitoshi Ishikawa, Ken Shirabe and Hiroshi Saeki
    Citation: Surgical Case Reports 2022 8:25
    Content type: Case Report Published on:

  40. Teratoma is the second most common mediastinal neoplasm, but malignant transformation in mature teratomas is uncommon, and cases of carcinoid tumor with teratoma are described in only a few studies. In additio...

    Authors: Takehiko Manabe, Kenta Kajiyama, Takashi Iwanami, Takeshi Hanagiri and Tatsuhiko Sako
    Citation: Surgical Case Reports 2022 8:24
    Content type: Case Report Published on:

  41. Everolimus is a mechanistic-target-of-rapamycin (mTOR) inhibitor bearing a potent antitumor effect against hormone receptor-positive breast cancer. Here, we report the case of a patient with recurrent breast c...

    Authors: Kaori Abe, Masafumi Shimoda, Tetsuhiro Yoshinami, Yoshiaki Sota, Tomohiro Miyake, Tomonori Tanei, Naofumi Kagara, Yasuto Naoi and Kenzo Shimazu
    Citation: Surgical Case Reports 2022 8:23
    Content type: Case Report Published on:

  42. Breast augmentation has been linked to various complications, including cancerous tumors. The majority type of breast cancer associated with breast augmentation is adenocarcinoma. Primary squamous cell carcino...

    Authors: Ryosuke Toyonaka, Jun Ozeki, Yumi Koyama, Saaya Takahashi, Xiaoyan Tang, Hiroko Kobayashi, Maki Amano, Keiichiro Tada, Toshio Miki and Mayumi Tani
    Citation: Surgical Case Reports 2022 8:22
    Content type: Case Report Published on:

  44. Conversion surgery for initially unresectable gallbladder cancer is rarely performed due to the low response rate for systemic chemotherapy, and a pathological complete response is seldom achieved.

    Authors: Yuya Miura, Ryo Ashida, Teiichi Sugiura, Katsuhisa Ohgi, Mihoko Yamada, Shimpei Otsuka, Akiko Todaka and Katsuhiko Uesaka
    Citation: Surgical Case Reports 2022 8:20
    Content type: Case Report Published on:

  45. The number of reports of multiple primary cancer (MPC) is increasing because of the advancement in diagnostic imaging technology. However, the treatment strategy for MPCs involving pancreatic cancer is controv...

    Authors: Junya Mita, Tomohiro Iguchi, Norifumi Iseda, Kazuki Takada, Kosuke Hirose, Naoko Miura, Takuya Honboh, Yasunori Emi, Tetsuro Akashi, Seiya Kato, Noriaki Sadanaga and Hiroshi Matsuura
    Citation: Surgical Case Reports 2022 8:19
    Content type: Case Report Published on:

  46. Acute pancreatitis could be an early symptom of pancreatic cancer. However, repeated pancreatitis caused by pancreatic cancer is very rare.

    Authors: Yoshiaki Tanji, Kenei Furukawa, Yoshihiro Shirai, Koichiro Haruki, Shinji Onda, Takeshi Gocho and Toru Ikegami
    Citation: Surgical Case Reports 2022 8:18
    Content type: Case Report Published on:

  47. Salvage surgery following definitive radiotherapy or systemic treatment has become a feasible treatment option in selected patients with advanced initially unresectable non-small cell lung cancer. Recent clini...

    Authors: Ayako Nawashiro, Fumihiro Tanaka, Akihiro Taira, Shinji Shinohara, Masaru Takenaka, Koji Kuroda and Shohei Shimajiri
    Citation: Surgical Case Reports 2022 8:17
    Content type: Case Report Published on:

  48. A multiseptate gallbladder is a very rare congenital malformation in which the lumen is divided into variously sized multiseptal compartments. The pathogenesis and natural history of this disease remain uncert...

    Authors: Noboru Oyachi, Fuminori Numano, Keiichi Koizumi, Atsushi Takano and Hiroshi Shibusawa
    Citation: Surgical Case Reports 2022 8:16
    Content type: Case Report Published on:

  49. Type A thymomas comprise a homogenous population of neoplastic epithelial cells that are characterized by a spindle/oval shape without nuclear atypia. They may be accompanied by few non-neoplastic lymphocytes....

    Authors: Sachi Kawagishi, Tomohiro Maniwa, Hirokazu Watari, Ryuhei Sakata, Akiisa Omura, Ryo Tanaka, Toru Kimura, Keiichiro Honma and Jiro Okami
    Citation: Surgical Case Reports 2022 8:15
    Content type: Case Report Published on:

  50. It is quite rare for breast cancer to metastasize to the kidney with a tumor thrombus in the inferior vena cava.

    Authors: Ayako Nagata, Yoshiaki Shinden, Yuki Nomoto, Hazuki Saho, Akihiro Nakajo, Koji Minami, Yuichi Kumagae, Mari Kirishima, Tetsuhiro Owaki and Takao Ohtsuka
    Citation: Surgical Case Reports 2022 8:13
    Content type: Case Report Published on:
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  • ISSN: 2198-7793 (electronic)