Cases reported "Adenocarcinoma"

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21/1497. Histologic transformation of polymorphous low-grade adenocarcinoma of salivary gland.

    Polymorphous low-grade adenocarcinoma of salivary gland origin (PLGA) was initially described in 1984 and has since become an established clinicopathologic entity. Owing to the indolent nature of PLGA and its relatively recent description, the full clinicopathologic spectrum of this entity has not been elucidated fully. Transformation to a histologically different-appearing lesion or progression to a higher histologic grade has not been reported. We describe 2 PLGAs arising in the palate and associated with multiple locoregional recurrences that were treated with excision and radiation therapy. This was followed by histologic transformation to a higher grade neoplasm after 17 and 26 years, respectively. The histologic appearance after transformation was characterized by a predominantly solid and cystic growth pattern, nuclear atypia with prominent nucleoli, and foci of necrosis. High-grade transformation of PLGA may occur after a protracted clinical course with multiple recurrences of typical PLGA. The possible role of radiation therapy as an initiator of this transformation merits further study. Tumors with these histologic features should not be included under the rubric of typical PLGA. Segregation of these neoplasms will allow further study of their biologic potential, particularly with regard to possible increased rates of local recurrence and metastasis.
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ranking = 1
keywords = metastasis
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22/1497. Stromal osseous metaplasia in metastatic adenocarcinoma of the gallbladder.

    A case of stromal osseous metaplasia in the abdominal scar metastasis of a gallbladder adenocarcinoma is described. The occurrence of stromal osseous metaplasia in carcinomas probably does not affect prognosis; however, it must be recognized to avoid a misdiagnosis of carcinosarcoma.
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ranking = 1
keywords = metastasis
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23/1497. The role of lymphatic drainage of the liver in gallbladder cancer: a case report.

    We report a case of a patient with a unique lymph node relapse after right hepatectomy and aggressive lymph node dissection for gallbladder cancer. There was extensive involvement of the hepatic parenchyma from the primary tumor, but no extension to the lymph nodes or other adjacent organs. Seventeen months later, the patient underwent re-dissection of the retroperitoneal lymph nodes with right nephrectomy and partial resection of the vena cava because of lymph node recurrence at the hilum of the right kidney. This pattern of lymph node metastasis to the right side of the vena cava from gallbladder cancer invading the liver is probably due to the distinct lymphatic drainage of the liver.
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ranking = 1.0396000714153
keywords = metastasis, lymphatic
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24/1497. Ten-year survival after pancreatoduodenectomy for advanced gastric cancer--report of two cases.

    We performed pancreatoduodenectomy for 5 patients with gastric cancer, and here we present 2 who have survived for more than 10 years. Patient one had a large antral tumor tightly adherent to the head of the pancreas. Pancreatoduodenectomy with lymph node dissection was performed. Pathologic examination of the resected specimen revealed that the tumor was a well differentiated adenocarcinoma invading the duodenum, but not the pancreas. Patient two had an infrapyloric lymph node metastasis invading not only the pancreatic head, but also the duodenocolic ligament and the transverse mesocolon. Pancreatoduodenectomy and right hemicolectomy with lymph node dissection were performed. Pathological examination of the resected specimen revealed grade III lymph node metastasis, and invasion of the pancreas by the metastatic infrapyloric lymph node. These results indicate that complete resection of tumor by pancreatoduodenectomy may result in a long survival not only for the patients in whom pancreatic invasion and/or lymph node metastasis is limited, but also for some patients with tumor invading the pancreatic parenchyma and/or of grade III lymph node metastasis.
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ranking = 4
keywords = metastasis
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25/1497. Contralateral pelvic and aortic lymph node metastasis in clinical stage I epithelial ovarian cancer.

    Bilateral pelvic and aortic node lymphadenectomy is recommended for clinically localized unilateral epithelial ovarian adenocarcinoma (International Federation of Gynecologists and Obstetricians stage IA). The laterality of nodal metastasis in clinical stage I disease is rarely documented in the literature. Some authors have reported that ipsilateral node dissection is adequate for staging. A patient with contralateral pelvic and aortic lymph node metastasis and clinical stage I epithelial ovarian adenocarcinoma is presented. Pathologic findings were consistent with contralateral-only lymph node metastasis. This case illustrates the importance of bilateral lymph node sampling for appropriate staging of clinically localized epithelial ovarian cancer.
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ranking = 7
keywords = metastasis
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26/1497. A case of clitoral metastasis without skin involvement from rectal cancer.

    An 84-year-old woman visited a private dermatologist and gynecologist due to pain in the external genitals. However, no abnormality was found. She was referred to a surgeon in our hospital to clarify the etiology of the pain. Rectal cancer and liver metastatic tumor were detected, and the rectal cancer was resected. However, the pain increased after the operation and she was referred to our department. No macroscopic abnormalities of the external genitals were found. However, a vaginal examination could not be performed due to severe pain. By local examination under anesthesia, enlargement of the clitoris was detected. A simple clitoridectomy was performed. Histological examination revealed that the clitoral tumor was metastatic cancer originating from rectal cancer.
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ranking = 4
keywords = metastasis
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27/1497. Computed tomography guidance in bone marrow aspiration for diagnosis of marrow necrosis and metastasis.

    bone marrow necrosis is most frequently diagnosed at postmortem examination. Antemortem diagnosis is still uncommon. We illustrate four cases where initial bedside attempts at needle aspiration and biopsy of primary and metastatic tumor tissue from the sternum were complicated by inadequate specimen retrieval secondary to marrow necrosis and/or tissue destruction by tumor. In these cases, CT guidance was useful in the precise localization of the bulk of the tissue mass and consequently the successful retrieval of adequate diagnostic specimens. We demonstrate CT guidance as an excellent and convenient alternative in circumstances where adequate marrow aspirations and biopsies are difficult and complicated.
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ranking = 4
keywords = metastasis
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28/1497. Port-site metastasis after laparoscopic cholecystectomy for benign disease.

    We describe the case history of a patient presenting with a port-site metastasis from an occult pancreatic malignancy after laparoscopy for benign gallbladder disease. While port-site recurrence is well recognized after laparoscopy for malignant disease, its presentation after laparoscopy for benign disease is rare, this being only the third such case to be reported in the literature. It emphasizes that all pathology localizing to port sites after surgery should be investigated, as it may represent the earliest sign of a hitherto occult intra-abdominal malignancy.
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ranking = 5
keywords = metastasis
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29/1497. Gastric adenocarcinoma with tonsil and submaxillary gland metastases: case report.

    Local invasion, hematogenous and lymphatic metastases are the major modes of spreading gastric cancer. The most common sites of metastases in patients with gastric cancer are liver, peritoneum, omentum, lungs and mesentery. Of the two pathological types of gastric cancer, intestinal-type gastric cancer showed preferential metastasis to the liver, whereas the diffuse-type showed a preference for peritoneal involvement and lymph node metastasis. However, metastases of gastric cancer to the head and neck regions are not common. The hematogenous route appears to account for a great majority of metastases to the head and neck regions. Malignant neoplasm metastases to major salivary glands or tonsils are not common. Several patients with cancers from the infraclavicular area have been reported with parotid gland or tonsil metastases. However, metastasis of gastric adenocarcinoma to the tonsils or submandibular glands is rare. We present a patient with recurrent gastric adenocarcinoma with both tonsil and submandibular gland metastases which is even rarer.
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ranking = 3.0079200142831
keywords = metastasis, lymphatic
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30/1497. Two cases of metastatic bladder cancers showing diffuse thickening of the bladder wall.

    Metastatic bladder cancer showing diffuse thickening of the bladder wall is very rare. We report two cases of metastatic bladder cancer arising from a stomach cancer and acute lymphocytic leukemia. hydronephrosis and diffuse thickening of the bladder wall were revealed by ultrasonography and computed tomography. Transurethral biopsy and percutaneous whole wall needle biopsy of the bladder were useful for diagnosis. The possibility of metastasis or recurrence of prior and other malignancies should therefore be considered when the clinical features described here are encountered.
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ranking = 1
keywords = metastasis
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