Accurate, rapid, and noninvasive health assessments are required to establish more appropriate endpoints in mouse cancer models where tumor size is not easily measured. We evaluated potential endpoints in mice with experimentally induced peritoneal lymphoma, an abdominal tumor model, by ...

Extra-abdominal desmoid tumors preferentially affect the shoulders, arms, backs, buttocks, and thighs of young adults. Multicentric occurrence is rather rare but seems to be another distinctive feature of extra-abdominal desmoid tumors. In this article we report a rare case of multicentric ...

Breast cancer studies implant human cancer cells under the renal capsule, subcutaneously, or orthotopically and often use estrogen supplementation and immune suppressants (etoposide) in xenograft mouse models. However, cell behavior is significantly impacted by signals from the local microenvironment. Therefore, we investigated how the combinatorial effect of the location of ...

Purpose: To assess the correlation of respiratory volume and abdominal displacement with tumor motion as seen with X-ray fluoroscopy. Measurements throughout the patient's treatment course allowed an assessment of the interfractional reproducibility of this correlation. Methods and materials: Data were acquired from 11 patients; 5 were studied ...

physiologically determined parameters to model the abdominal aorta and realistic remodelling rates for its is characterized by a bulge in the abdominal aorta. Development of the AAA is associated with a weakening into the model so that tissue remodeling can be addressed. The abdominal aorta is ...

ABSTRACT: INTRODUCTION: Desmoid tumors are rare lesions without any metastatic potential but a strong tendency to invade locally and to recur. These tumors are associated with women of fertile age, especially during and after pregnancy. CASE PRESENTATION: The case of a desmoid tumor of the anterior abdominal wall ...

BACKGROUND:: Ability to identify patients with familial adenomatous polyposis who have a high risk of developing desmoid tumors may affect decisions in clinical practice. OBJECTIVES:: Our aim was to assess several risk factors for desmoid tumor development in an international cohort of patients with familial adenomatous polyposis and to evaluate the ...

... OF THORACO-ABDOMINAL RESPONSE TO BLAST WAVES Volume 7. Gastrointestinal Response to Blast Annual/Final Report ...

... Tumor Markers and Chest X-ray done every month Abdominal CT scan done every 2 months Year 2: Tumor Markers and Chest X-ray done every 2 months Abdominal CT scan done every 4 months Years ...

We recently described a genetically engineered mouse model that develops ovarian granulosa cell tumors (GCTs) that mimic many aspects of the advanced human disease, including distant dissemination. However, because the primary tumors killed their hosts before metastases were able to form, the use of these mice to study metastatic ...

Small animal computed tomography (CT) has poor intrinsic soft tissue contrast, limiting evaluation of intra-abdominal structures. Using standard intravascular-extracellular intravenous contrast (IE-IV) alone is theoretically limited by long acquisition times of traditional small animal scanners that may result in equilibration. We assessed whether a negative contrast strategy ...

This abdominal CT scan shows tumor masses (malignant lymphomas) in the area behind the peritoneal cavity (retroperitoneal ...

... abdomen showing a large tumor mass due to metastasis (spreading cancer) in abdominal lymph nodes.

... histopathologic diagnosis in this pigeon was a Sertoli cell tumor of the right testis. Discussion Abdominal distention in birds may be caused by organomegaly, ascites, obesity, egg binding, air sac disten...

... joint stiffness, osteonecrosis, growth plate disturbance, and neurovascular damage. In some instances, radiation may instigate growth of malignant tumors, or sarcomas. ...

A murine orthotopic model for the study of colon cancer has been described earlier. However, for the study of rectal cancer, three issues remain: (i) the relative sensitivity of the implanted tumors to ionizing radiation (IR); (ii) the location of the tumor for the delivery of external beam IR; and (iii) the assessment of a given ...

OBJECTIVES:: Abdominal wall reconstruction continues to evolve with improvement in technique and technology. This study reviews our experience with challenging full thickness (skin, muscle, and fascia) defects following tumor resections often in high-risk patients. METHODS:: All patients who underwent abdominal wall reconstruction ...

The liver is the most common site of adenocarcinoma metastases, even in patients who initially present with early disease. We postulated that immune-suppressive cells in the liver of tumor-bearing hosts inhibit anti-tumor T cells, thereby accelerating the growth of liver metastases. Using models of early preinvasive pancreatic ...

... OF THORACO-ABDOMINAL RESPONSE Co TO BLAST WAVES Volume 2. Blast Load Definition ... 2. Blast Load Definition on a Torso Model ...

Treatment of C57BL/6 mice with cyclophosphamide (100 mg/kg) and fludarabine (200 mg/kg) induced non-myeloablative lymphodepletion without inhibiting D5 melanoma tumor growth. Utilizing this model, we found that induction of lymphopenia prior to adoptive transfer of ex vivo anti-CD3/CD28 activated and IL-2 expanded D5-G6 tumor draining ...

Abdominal wall endometrioma is a rare clinical condition with which the general surgeon is faced and usually presents a diagnostic challenge due to the similar signs and symptoms that this illness shares with other tumors of the abdominal wall. A clinical case which exemplifies this diagnostic challenge is presented, and a review is ...

Gastrointestinal stromal tumors (GISTs) are the most common mesenchymal tumors of the digestive tract. The authors present the rare common case localisation tumor in hepatal flexure of colon, witch presented as acute abdominal situation. PMID:19642347

The purpose of this study was to evaluate the relationship between hypoxia-inducible factor-1? (HIF-1?) protein expression in hepatocellular carcinoma (HCC), and responses of abdominal metastatic lymph nodes (LNs) from HCC patients treated with external beam radiotherapy (EBRT). HIF-1? immunohistochemical staining was performed on tissue microarrays (TMAs) of primary HCC ...

... tumors. To that aim we will generate reliable tumor models for malignant peripheral nerve sheath tumors (MPNST). Several ...

... models. In vivo, tumor MMPs are often produced by stromal cells associated with tumors as well as the tumor cells. The ...

Devleopment of tumors is associated with the appearance ... tumors in any vertebrate animal are especially valuable because mammalian models of these tumors ...

Papillary cystic and solid tumor of the pancreas (PCSTP), so-called Frantz tumor, is a very rare tumor in children. Only 62 cases, 57 girls and 5 boys, have been reported in children since 1959. The tumor presents usually as a slowly growing abdominal mass with or without ...

IntroductionDesmoid tumors are benign but locally aggressive tumors of mesenchymal origin which are poorly circumscribed, infiltrate the surrounding tissue, lack a true capsule and are composed of abundant collagen. History of trauma to the site of tumor origin is elicited in up to 1 in 4 cases and they most commonly develop in the ...

Under general ether anesthesia, the abdominal cavity was opened by a median section between the xiphoid process and the umbilicus. No fluid was noted in the abdominal cavity. No changes were observed in the stomach or the liver. A dense tuberous tumor, th...

The analysis of the case histories of 27 patients suffering from abdominal tumors - mainly localized within the retroperitoneal space - and observed during the last 4 years shows that sonography is the method of choice if an abdominal tumor is suspected. In only a few cases however a definite diagnosis was ...

Cancer growth and dissemination have been extensively studied for a long time. Nevertheless, many new observations on anatomy and histopathology of cancer events are still reported such as formation of a vasculogenic-like network inside aggressive tumors. In this research, new kinds of micro-conduits, named primo-vessels, were found inside the abdominal ...

Transplantable zebrafish tumors are a novel and very promising model in cancer research. However, further progress in this field has been contained by a lack of true inbred lines in zebrafish. To overcome this problem, we generated two lines of homozygous diploid clonal zebrafish lines (i.e., CB1 and CW1), which allowed us to carry out transplantation of ...

Surgical trauma, which is inevitably associated with the surgical removal of cancer, has been reported to accelerate tumor metastasis. The close association of reactive oxygen species with the trauma and tumor metastasis supports the possibility of using antioxidants for the inhibition of metastasis. To inhibit surgical trauma-enhanced peritoneal ...

... To complement this data, stereometry of the hemorrhagic area on the pleura and in the lung can be done ... contact. If the pleura is ...

Intra-abdominal schwannoma is a rare tumor entity. Although often detected incidentally, its diagnosis and surgical planning are difficult-as with all intramural intra-abdominal tumors. Puncturing is often not satisfying due to the inhomogeneous proliferation rates of different regions of the ...

... Keywords: Mathematical models; Anatomical models; Exposure(Physiology); Occupational diseases; Gastrointestinal system: Weapons effects. ...

... Keywords: Weapons effects; Occupational diseases; Mathematical models; Anatomical models; Exposure(Physiology); Ribs; Pleural pressures. ...

... Keywords: Mathematical models, Anatomical models, Weapons effects, Occupational diseases, Exposure(Physiology). ...

IntroductionDesmoid tumors are rare lesions without any metastatic potential but a strong tendency to invade locally and to recur. These tumors are associated with women of fertile age, especially during and after pregnancy.Case presentationThe case of a desmoid tumor of the anterior abdominal wall in a 40-year-old ...

The received view of ovarian carcinogenesis is that carcinoma begins in the ovary, undergoes progressive �dedifferentiation� from a well to a poorly differentiated tumor and then spreads to the pelvic and abdominal cavities before metastasizing to distant sites. It has therefore been reasoned that survival for this highly lethal disease could be ...

A simple yet effective abdominal wall retractor for use in endoscopic surgery is described. It has been used in laparoscopic herniorrhaphy, laparoscopic cholecystectomy in the morbidly obese, and lysis of abdominal wall adhesions, and to control abdominal wall bleeding. PMID:1669391

The TNO child dummies that are used in the ECE Regulation 44 test on child restraints use compression of a block of modelling clay as a means of detecting abdominal penetration. However, articulation of the dummy without abdominal penetration during the t...

X-ray computed tomography (CT) has been used for diagnoses of human pancreatic cancer. Although micro-CT is a useful approach to evaluate macromorphology of organs/tissue also in animal models, reports on pancreatic tumors are limited. In this study, the utility of micro-CT was assessed in characterizing chemically induced pancreatic ...

BackgroundDiclofenac is one of the oldest anti-inflammatory drugs in use. In addition to its inhibition of cyclooxygenases (COX), diclofenac potently inhibits phospholipase A₂ (PLA₂), thus yielding a broad anti-inflammatory effect. Since inflammation is an important factor in the development of pancreatic tumors we explored the ...

Desmoids tumors are rare. They often develop from the fascia and muscles of the abdominal wall. They are considered as benign, but endowed with local aggressiveness. Treatment is primarily surgical. Complete resection with large safety margins and sometimes complex reconstruction is necessary to reduce the risk of local reccurrence. WE report three cases ...

We report a rare case of a giant ovarian tumor presenting as an incarcerated umbilical hernia. A 61-yr-old woman was admitted to the hospital with severe abdominal pain, an umbilical mass, nausea and vomiting. On examination, a large, irreducible umbilical hernia was found. The woman underwent an urgent operation for a possible strangulated hernia. A ...

We report a rare case of a giant ovarian tumor presenting as an incarcerated umbilical hernia. A 61-yr-old woman was admitted to the hospital with severe abdominal pain, an umbilical mass, nausea and vomiting. On examination, a large, irreducible umbilical hernia was found. The woman underwent an urgent operation for a possible strangulated hernia. A ...

Following rapid development of chemotherapy to leukemia, reports about tumor-forming-leukemia are on the increase. But ovarian tumor-forming-leukemia is relatively rare, hence not enough is known about it. Recently, the authors experienced a case of young woman with recurrent leukemia which manifested as a giant ovarian tumor. She ...

Desmoid tumors are cytologically bland fibrous neoplasms originating from musculoaponeurotic structures throughout the body. The cause of desmoid tumors is uncertain, but may be related to trauma or hormonal factors, or may have a genetic association. These tumors can be found in some young women during pregnancy or just after giving ...

Desmoid tumors are cytologically bland fibrous neoplasms originating from musculoaponeurotic structures throughout the body. The cause of desmoid tumors is uncertain, but may be related to trauma or hormonal factors, or may have a genetic association. These tumors can be found in some young women during pregnancy or just after giving ...

INTRODUCTION: Testicular germ cell tumors are common in young men. There is a wide consensus regarding the key points in their diagnosis and treatment, although some elements, including the best approach to follow-up, are being reviewed and revised. We present a statistical study that uses tools for the evaluation of diagnostic tests to compare the usefulness of ...

... 2 wk prior to death, there had been dysphagia, depression, weakness, and severe abdominal dilation. Loss of ... ...

Paratesticular rhabdomyosarcoma is a rare but aggressive malignancy in children and adolescents. Prognosis is related to initial tumor resectability as well as staging of the disease based on tumor invasiveness, tumor bulk, nodal disease and metastases. We report the unusual presentation of paratesticular rhabdomyosarcoma with ...

space, symptoms may include: Abdominal pain Bloating If the tumor is near the spinal cord, it may cause: Compression of the spinal cord, which leads to pain and loss of...

Diffusion-weighted magnetic resonance imaging (DWI) provides image contrast that is different from that obtained by conventional magnetic resonance techniques. Although previously, DWI has been used to evaluate various diseases of the central nervous system, several technical advances have expanded the clinical applications of DWI beyond the central nervous system. As a result, many reports have ...

that may cause bloating are: Ascites and tumors Celiac disease Dumping syndrome Ovarian cancer When the pancreas is not able to produce enzymes to help digestion (pancreatic...

Our laboratory developed a transgenic mouse model of spontaneous epithelial ovarian cancer (EOC) in which tumors are initiated by expression of the early region of the Simian Virus 40 (SV40) under transcriptional control of the 5' upstream regulatory region of the M�llerian inhibiting substance type II receptor (MISIIR) gene. Female TgMISIIR-Tag-DR26 ...

Recent work using an experimental model in our laboratory has shown that the likelihood of tumor implantation at laparoscopy port-sites following laparoscopy might be influenced by the specific gas used for insufflation. In particular helium insufflation was associated with less port site metastases. The model entailed an inbred rat ...

The Synchrony Respiratory Tracking System (RTS) is a treatment option of the CyberKnife robotic treatment device to irradiate extra-cranial tumors that move due to respiration. Advantages of RTS are that patients can breath normally and that there is no loss of linac duty cycle such as with gated therapy. Tracking is based on a measured correspondence ...

Solid pseudopapillary tumor of the pancreas is considered to be a rare pancreatic tumor. These tumors are typically present in women in their third decade of life. The tumors have a low malignant potential. We report a case of 22-year-old female who presented with intermittent abdominal pain of ...

Yolk sac tumor is the second most common germ cell tumor of the ovary. A nine year old female child presenting with a lower abdominal mass diagnosed as a yolk sac tumor on fine needle aspiration cytology (FNAC) is described. Ultrasonographically (USG) guided FNAC of the lesion revealed tight clusters and papillary ...

Magnetically responsive nanoparticles (MNPs) might be candidates for pro-drug formulations for intraperitoneal (i.p.) treatment of ovarian cancer. We conducted feasibility experiments in an i.p. human ovarian carcinoma xenograft model to determine whether MNPs can be effectively vectored within this environment. Our initial results based on magnetic resonance imaging (MRI) ...

IntroductionGastrointestinal stromal tumors are the commonest mesenchymal tumors of the gastrointestinal tract, the stomach and small intestine are the favored sites of occurrence. They rarely occur in the colon, rectum and esophagus. GIST is neoplasm of mesenchymal origin originating from precursors of the interstitial cells of cajal. The symptoms of ...

... to blast waves in shock tube and free ... ABDOMEN, LARYNX, ORGANS( ANATOMY), RABBITS, SHOCK TUBES, ANATOMICAL MODELS ...

... Title : A FLUID-MECHANICAL MODEL OF THE THORACO-ABDOMINAL SYSTEM WITH APPLICATIONS TO BLAST BIOLOGY. ...

aortic borders. Outputs of these two segmentations give a complete 3-D model of abdominal aorta. Such a 3, inflammatory, mycotic diseases as well as by arteriosclerosis. It results in enlargement of the abdominal aorta: Evolution of 3-D deformable model inside tubular object The abdominal aorta ...

The case reported is believed to be the second recorded example of bronchial carcinoid tumor with metastasis to the eye. Other metastatic lesions were located in the abdominal wall, left buttock, and skin of scalp. The importance of recognizing this type ...

Reports of solitary tumors of lymphoid origin in primates are rare. This paper reports two cases of similar solitary lymphoid tumors in unusual locations in two cynomolgus monkeys (Macaca fascicularis). Keywords: Neoplasms; Reprints. (kt)

In view of the diagnostical correspondence between lymph node scintigraphy and X-ray lymphograpy, this dissertation, which is based on 110 systematic comparative evaluations, examines the diagnostical weight of the scintigraphic criteria for tumor growth,...

A 58-year-old man who complained of an abdominal tumor was admitted to our hospital. Abdominal CT scan showed that a 15-cm tumor occupied the entire right upper abdomen and that there were ascites and liver metastases. A liver biopsy was performed. The liver biopsy showed a small cell carcinoma pattern, but no ...

Solid pseudopapillary tumor (SPT) of the pancreas is a rare exocrine pancreatic tumor behaving in a low-grade fashion, with limited local invasion risk and a rare metastatic evolution. We report SPT in two young females, revealed by abdominal pain and an epigastric mass. The diagnosis of a cystic tumor was based on ...

Computed tomographic (CT) scans were obtained in 20 patients with primary and/or metastatic abdominal carcinoid tumors. The primary tumors were seen rarely on CT. Mesenteric involvement was seen in eight of the 20 patients, usually as a soft-tissue mass surrounded by fat and radiating soft-tissue strands. Enlarged retroperitoneal lymph ...

Preliminary biological screening has resulted in data about the considerable difference in photodynamic activity of sulfuric acids of aluminum phthalocyanine and their different salts have been obtained. The photosensitizers have been introduced intravenously in laboratory male mice 24 hours before direct laser irradiation of the liver area through the front abdominal side. ...

Epithelial ovarian cancer (EOC) comprises approximately 90% of ovarian cancers and arises from the surface epithelium. Typical treatment of EOC involves cytoreductive surgery combined with chemotherapy. More recent therapies have targeted the tumor vasculature using antiangiogenic compounds such as thrombospondin-1 (TSP-1). TSP-1 mimetic peptides such as ABT-510 have been ...

Epithelial ovarian cancer (EOC) comprises approximately 90% of ovarian cancers and arises from the surface epithelium. Typical treatment of EOC involves cytoreductive surgery combined with chemotherapy. More recent therapies have targeted the tumor vasculature using antiangiogenic compounds such as thrombospondin-1 (TSP-1). TSP-1 mimetic peptides such as ABT-510 have been ...

Spontaneous schwannomas were detected by magnetic resonance imaging (MRI) in a transgenic murine model of neurofibromatosis type 2 (NF2) expressing a dominant mutant form of merlin under the Schwann cell-specific P0 promoter. Approximately 85% of the investigated mice showed putative tumors by 24 months of age. Specifically, 21% of the mice showed ...

Since actinomycosis sometimes causes an abdominal tumor which mimics malignancy, treatment strategy varies from case to case. We herein report two cases which were treated with a combination of antibiotics and surgical intervention. Both patients presented with an intra-abdominal tumor lesion mimicking malignant ...

Since actinomycosis sometimes causes an abdominal tumor which mimics malignancy, treatment strategy varies from case to case. We herein report two cases which were treated with a combination of antibiotics and surgical intervention. Both patients presented with an intra-abdominal tumor lesion mimicking malignant ...

Massive abdominal enlargements were observed in 21 adult carp 4 to 6 years old living in the breeding ponds of carp fisheries in northern Japan. The abdominal enlargement rapidly increased, and the affected fish died within a few months. At necropsy, single or multiple tumors, 1.5 to 25 cm (average, 10.6 cm) in diameter, were found in ...

A mathematical model was described which was developed to compute some of the fluid-mechanical responses of the thoraco-abdominal system subjected to rapid changes in environmental pressure. Parameters relating the animal to the model were estimated, test...

Gallblader tuberculosis is uncommon and may mimic a neoplasia. We report a 55-year-old man who presented with fever and abdominal pain compatible with cholecystitis. Abdominal ultrasound and computed tomographic scan showed a tumoral aspect of the bottom of the gallbladder and invasion of adjacent liver. Diagnosis of ...

Hemangiopericytoma is a rare neoplasm that can occur in any part of the human body, but it rarely develops in the greater omentum. We report a case of a patient who presented with a huge abdominal lump. At laparotomy, a huge vascular tumor, which was observed originating from the greater omentum, was resected. Histopathology investigation revealed this ...

Outpatient ED ICU FLOOR Abdominal pain Abdominal tenderness / rigidity Renal colic Nausea and/or vomiting Penetrating injury Site: Arthropathy Osteoarthritis Loose body Osteochondritis dissecans Cellulitis / abscess Abnormal finding on x-ray exam Benign tumor Specify: Malignant tumor Specify: ...