Primary carcinoid tumor in a horseshoe kidney

Isobe, Hideyuki; Takashima, Hideo; Higashi, Naotaka; Murakami, Yukito; Fujita, Kazuo; Hanazawa, Kisaburo; Fujime, Μakoto; Matsumoto, T

doi:10.1046/j.1442-2042.2000.00160.x

Cited by 36 publications

(29 citation statements)

References 10 publications

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“…A review of the reported cases, however, suggests a better prognosis of NETs in HSK than in those arising in normal kidneys [4,5,7,8]. We were able to update the follow-up data of four previously reported cases of NETs in HSK [2,5,6,8] by contacting the authors.…”

Section: Discussionmentioning

confidence: 78%

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Neuroendocrine Tumor in a Horseshoe Kidney

Motta¹,

Candiano²,

Pepe³

et al. 2004

Urol Int

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Renal neuroendocrine tumors (NET) are rare neoplasms of unknown histogenesis. To the best of our knowledge, 40 such cases have been described, 11 of which arising in horseshoe kidneys (HSK). We report an additional case of a NET associated with a HSK occurring in a 45-year-old man. A clinicopathological review of the reported cases together with an updated follow-up of such tumors arising in HSK is provided. The present data show that NET associated with HSK present a better prognosis than those occurring in normal kidneys, even over long-term follow-up periods.

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Section: Discussionmentioning

confidence: 78%

“…The most common symptoms are abdominal pain and weight loss; haematuria or pyuria with or without fever are less commonly reported [7].…”

Section: Discussionmentioning

confidence: 99%

Neuroendocrine Tumor in a Horseshoe Kidney

Motta¹,

Candiano²,

Pepe³

et al. 2004

Urol Int

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“…12 However, the prognosis and clinical behaviour of these tumours have not yet been clarified. 17 Without resection of the tumour, the risk of malignant transformation increases with time. All suspected areas in the cyst walls should be sampled in order to define these unusual rare neoplasms.…”

Section: Discussionmentioning

confidence: 99%

Carcinoid Tumour With Cystic Teratoma in Ovary- A Case Report

Patil¹,

Phadtare²

2017

jemds

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BACKGROUNDPrimary ovarian carcinoid tumours are very rare. They arise from neuroendocrine tissue and represent less than 0.1% of all ovarian tumours. Generally, carcinoid of the ovary shows a single histological type; however, some cases of primary mixed carcinoid, characterised by two or more subtypes have been reported. Furthermore, over 90% of cases are unilateral. Distant metastases have been described only for subtypes with high proliferative activity. Aims and Objectives-To present rare case of Ovarian cystic teratoma with carcinoid changes.

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“…Carcinoid tumors arising in mature teratomas are tumors with low malignancy potential (17). However, the prognosis and clinical behavior of these tumors have not yet been clarified (25). Without resection of the tumor, the risk of malignant transformation increases with time.…”

Section: A B C D E Fmentioning

confidence: 99%

Carcinoid tumor arising in a mature cystic teratoma: A case report

et al. 2015

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Abstract. Mature cystic teratomas are common benign tumors of the ovary. The most common form of malignant transformation is squamous cell carcinoma, however, malignant transformation is rarely observed and cases are usually asymptomatic. Carcinoid tumors are rare tumors of the neuroendocrine system. A number of the carcinoids result in clinical syndromes due to the secretion of vasoactive substances produced by the tumor. A 75-year-old woman suffering from groin pain was admitted to the Faculty of Medicine at Bezmialem Vakıf University (Istanbul, Turkey). An adnexal mass was detected during the physical examination. Magnetic resonance imaging scans exhibited an 8x7-cm mass in the right ovary. Surgical excision of the mass was performed and histopathological examination revealed a mature cystic teratoma with three germ layers. An area consisting of nests and trabeculae was evident in the cyst wall. The pathological diagnosis was of an insular and trabecular variant of carcinoid tumor arising in a mature cystic teratoma. The patient did not present with carcinoid syndrome, and no recurrence was observed after 11 months of follow-up examinations.

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Primary carcinoid tumor in a horseshoe kidney

Cited by 36 publications

References 10 publications

Neuroendocrine Tumor in a Horseshoe Kidney

Neuroendocrine Tumor in a Horseshoe Kidney

Carcinoid Tumour With Cystic Teratoma in Ovary- A Case Report

Carcinoid tumor arising in a mature cystic teratoma: A case report

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