OBJECTIVES: Pancreaticoduodenectomy is performed for pancreatic head cancer that originated from the dorsal or ventral primordium. Although the extent of lymph node (LN) dissection is the same irrespective of the origin, the lymphatic continuities may differ between the 2 primordia. METHODS: Between March 2003 and September 2010, 152 patients underwent ...

BACKGROUND & AIMS: The incidence of intraductal papillary mucinous neoplasm (IPMN) is believed to be increasing; we investigated whether this is the result of increasing burden of disease or more diagnostic scrutiny. METHODS: In a retrospective cohort study, we calculated a trend in reported incidence of IPMN using data collected ...

Context Large bowel obstruction with perforation is an anomalous presentation of pancreatic tail carcinoma. Pancreatic cancer is often difficult to diagnose clinically and is especially furtive when it is located in the tail of the pancreas. Case report We describe a patient who presented with large bowel obstruction due to ...

We report the hybrid FDG PET/CT appearance of a biopsy-proven pancreatic metastasis from prostate cancer in a man with castrate-resistant metastatic disease. The common sites of metastases from prostate cancer are bone and locoregional lymph nodes. Pancreas is an atypical location of metastasis from prostate cancer. PET/CT in this case ...

Background/Aims: The purpose of this study was to evaluate factors predictive of the malignant grade associated with branch duct type intraductal papillary mucinous neoplasm (BD-IPMN) using multidetector-row computed tomography (MDCT). Methodology: We reviewed the morphological features of 26 BD-IPMNs using MDCT. Tumor size, caliber of the main pancreatic duct, number ...

PURPOSE: To quantitatively analyse the pancreaticobiliary duct changes of periampullary carcinomas with volumetric interpolated breath-hold examination (VIBE) and true fast imaging with steady-state precession (true FISP) sequence, and investigate the value of these findings in differentiation and preoperative evaluation. MATERIALS AND METHODS: Magnetic resonance (MR) images of 71 cases of ...

The most common pancreatic cancer is adenocarcinoma. Primary adenosquamous cell carcinoma of the pancreas is very rare and aggressive. A 46-year-old man presented with a 3-month history of dyspepsia and a 7-kg weight loss. The physical examination showed tenderness of the right upper quadrant of the abdomen. There was no ...

Pancreatic adenocarcinoma and hepatocellular carcinoma are devastating human malignancies that are characterized by poor prognosis, late onset, and a lack of known biomarkers. New diagnostic and therapeutic molecular targets are desperately needed to develop novel and effective treatment strategies. MicroRNAs (miRNAs) are an emerging class of molecules with roles in ...

The incretin hormone glucagon-like peptide (GLP)-1 is secreted from intestinal L cells in response to food intake, and promotes insulin secretion and pancreatic β-cell proliferation. Reduced GLP-1 levels are observed in obesity and type 2 diabetes mellitus (T2DM) and are associated with reduced insulin secretion and increased insulin resistance. GLP-1 ...

The information in the literature on squamous cell and adenosquamous carcinomas of the gallbladder is highly limited. In this study, 606 resected invasive gallbladder carcinoma cases were analyzed. Squamous differentiation was identified in 41 cases (7%). Those without any identifiable glandular-type invasive component were classified as pure squamous cell carcinomas ...

We report the clinicopathologic features of 13 cases of intramucosal carcinoma (IMC) of the gallbladder. All IMCs were incidental findings in cholecystectomy specimens for cholelithiasis. However, one of the patients had a carcinoma of the pancreas, and the gallbladder incidentally removed during the Whipple procedure showed an IMC. Another patient ...

INTRODUCTION:: The purpose of this study was to describe the pathologic findings of the gallbladder in patients who underwent simultaneous cholecystectomy and hepatectomy for hepatocellular carcinoma in Taiwan. METHODS:: This was a hospital-based retrospective study. The authors analyzed the medical records of all subjects with hepatocellular carcinoma who were initially ...

Lymphangiogenesis and angiogenesis are essential for cancer metastasis. The aim of this study was to assess lymphatic microvessel density and microvessel density in human gallbladder carcinoma tissues, detect their correlation with the tumor's clinical pathological properties and evaluate their utilities for resection of gallbladder tumor. Tissue microarray blocks containing primary ...

Acute recurrent pancreatitis still poses diagnostic difficulties. The coexistence or moreover the causative relationship of carcinoma of the ampulla of Vater and acute recurrent pancreatitis is fairly rare. We present a case of carcinoma of the ampulla of Vater that presented with acute recurrent necrotizing pancreatitis complicated with pseudocysts. A ...

Central mucoepidermoid carcinoma are extremely rare tumors, representing about 2 to 4% of all mucoepidermoid carcinomas. They are histologically low-grade cancers, usually affecting the mandible as uni- or multilocular radiographic lesions. Effective surgical treatment involving wide local excision or en bloc resection, allows patients to have a favorable prognosis after ...

A 70-year-old woman developed progressive visual loss with compromised visual acuity and visual fields, cells in the anterior chamber and vitreous, attenuated retinal arterioles, and macular edema. She had undergone right oophorectomy and partial salpingectomy nearly 50 years earlier. Full-field and multifocal electroretinography showed waveforms of markedly attenuated amplitudes, findings ...

The fallopian tube has recently emerged as an important site of origin for not only early serous cancer in women with inherited mutations in BRCA1/BRCA2 but as a source of many pelvic serous carcinomas. With this increased attention has come the inevitable need to sort out what epithelial abnormalities are ...

J Oral Pathol Med (2011) 40: 37-45 Background:  Involvement of Notch signaling in several tumors is well known, but its role in tongue squamous cell carcinoma remains poorly characterized. The purpose of this study was to evaluate the roles of Notch signaling in the oncogenesis of tongue carcinoma. Materials and ...

Laryngeal atypical carcinoids (AC/moderately-differentiated neuroendocrine carcinoma) are associated with moderately aggressive clinical behavior; however, a subset of tumors classified as AC have much greater aggressive potential. These tumors fulfill the proposed diagnostic criteria for pulmonary large cell neuroendocrine carcinoma, albeit in the larynx. In the current WHO classification, laryngeal large ...

BACKGROUND: The clinical relevance of the carbohydrate antigen Sialyl Lewis a (SLea) as a serum tumor marker in diagnosis and follow-up treatment is unquestioned in a broad spectra of human carcinomas. Overexpression of this antigen is combined with poor prognosis and malignant relapse. The aim of our study was the ...

Familial adenomatous polyposis is rare. Three cases were previously reported in Nigeria. An intriguing feature of this case is an ulcerated jejunal carcinoma which was metastatic rather than synchronous carcinoma. This patient presented with partial large bowel obstruction and the pathological analysis revealed 4 invasive adenocarcinomas, 3 in the colon ...

Primary squamous cell carcinomas of the colorectum are very uncommon. Until now, to the best of our knowledge, only 114 cases of squamous cell carcinoma in the colorectum exist in the reported literature. Here we report a case of squamous cell carcinoma of the rectum in the ethnic Kashmiri population ...

Any endoscopic diagnostic procedure that is capable of giving exact information on laryngeal lesions without damaging the tissue has essential advantages over standard biopsy. Tissue autofluorescence is defined as a natural ability of tissue to fluoresce when exposed to a certain light wavelength. This feature is a consequence of the ...

OBJECTIVES/HYPOTHESIS: The posterior commissure is an uncommon site of glottic carcinoma. The aim of the study was to compare the clinical and prognostic characteristics of glottic carcinoma of the posterior commissure and the vocal cords. STUDY DESIGN: Retrospective case control study. METHODS: The study group consisted of 40 patients aged ...

Cutaneous metastases from carcinoma of the larynx are very rare. Distant metastases in squamous cell carcinoma of the larynx have an incidence of 6.5-7.2% and most commonly involve the lungs, liver and bone. Metastases to the skin are exceedingly rare. We observed a 75-year-old Iranian patient with squamous cell carcinoma ...

ssment. Whoever, to use it in clinical practice more studies are necessary.

Transitional carcinomas are extremely rare in the fallopian tube. A 41-year-old premenopausal lady presented with colicky abdominal pain and was found to have a left-sided pelvic mass on examination. In view of the elevated CA-125 and imaging findings suggestive of ovarian mass, she underwent staging laparotomy. Pathological examination confirmed a ...

The role of the von Hippel-Lindau tumor suppressor protein (pVHL) in kidney cancer has provided a rationale for treating this disease with hypoxia-inducible factor (HIF) antagonists. In this issue, Simon and coworkers show that the molecular signature of VHL(-/-) kidney cancers is profoundly influenced by whether they produce both HIF2alpha ...

PURPOSE: Concern exists that widespread implementation of whole-field intensity-modulated radiotherapy (IMRT) for the treatment of head-and-neck cancer has resulted in increased levels of dysphagia relative to those seen with conventional planning. Other investigators have suggested an alternative junctioned-IMRT (J-IMRT) method, which matches an IMRT plan to a centrally blocked neck ...

Laryngeal carcinoma is the eleventh-most common form of cancer among men worldwide and is the second-most common malignancy of the head and neck. The primary functions of the larynx involve phonation, respiration, and deglutition but it also contributes to taste and smell by allowing the movement of air over the ...

Zuili plum (Prunus salicina L.) trees usually set fruit poorly, although they produce high quality fruit. To elucidate the causes of the poor fruit set, pollen tube growth into pistils and fruit set percentage were investigated after cross-, self- and open-pollination. Ovule development in Zuili pistils was also investigated. Pollen ...

BACKGROUND AND PURPOSE: To measure voice outcomes following accelerated hypofractionated radiotherapy for larynx cancer. MATERIALS AND METHODS: Twenty-five patients with T1/T2 glottic cancer underwent serial electroglottographic and acoustic analysis (sustained vowel/i/ and connected speech) before radiotherapy and 1, 6 and 12 months post-treatment. Twenty-five normal subjects served as a reference ...

BACKGROUND: The major proteoglycan of normal human larynx is aggrecan. In laryngeal carcinoma, aggrecan is depleted, with versican and decorin appearing in higher amounts. MATERIALS AND METHODS: Proteoglycans in laryngeal carcinoma samples were characterized immunohistochemically and using Western blotting; their expression was examined by RT-PCR. RESULTS: Aggrecan was totally removed ...

The current standard for stage III and selected stage IV squamous cell carcinoma of the larynx includes organ sparing concurrent chemoradiation therapy. Verrucous carcinoma is predominantly treated with surgery, including laryngectomy in selected cases. Expert and appropriate pathologic interpretation of verrucous carcinoma with an ample biopsy specimen of the larynx ...

BACKGROUND: Cryopreservation and subsequent reimplantation of intact ovaries from cancer patients, offers potentially the best prognosis for restoring fertility after sterilizing cancer treatment. We used bovine ovaries as a model system to explore the perfusion procedure that is required for cryopreservation of intact ovaries. METHODS: The arteria ovarica was cannuled, ...

OBJECTIVE: Carcinoma cuniculatum is a rare variant of low-grade squamous cell carcinoma. We report the second case of carcinoma cuniculatum of the larynx in the literature. METHOD: Case report and review of the world literature concerning carcinoma cuniculatum of the larynx and upper aerodigestive tract. RESULTS: A histologically proven carcinoma ...

Hyaluronan and sulfated glycosaminoglycans, as intrinsic components of proteoglycans, are playing important roles in cancer biology. In the present study, we investigated in detail the glycosaminoglycans on both fine chemical and structural levels in laryngeal cartilaginous and non-cartilaginous tissues at different stages of laryngeal cancer. The results indicated that in ...

A new laser triangulation technique was used to measure vocal fold length and width in 27 professional opera singers. The singers belonged to different voice register categories: soprano, mezzo, tenor, and bass/baritone. High-speed recordings were made during glissandos from each singer's speaking fundamental frequency (SFF) up to the highest frequency ...

Squamous cell carcinoma (SCC) is the most common neoplasm of the larynx. There are three variants of SCC. Each variant presents distinctive biologic behaviors and clinical courses. Therefore reaching the exact diagnosis and distinguishing the variants is fateful. We describe a case of spindle cell carcinoma of the larynx with ...

PURPOSE OF REVIEW: Transoral laser microsurgery has developed in recent years into a surgical method that combines a minimally invasive approach with the surgical precision of laser and microscope. The outcomes of laser microsurgical treatment of laryngeal carcinomas are reviewed and compared with the results of competitive standard procedures. RECENT ...

Primary malignancies of the fallopian tube are extremely uncommon, in part due to (admittedly arbitrary) definitional criteria. By convention, epithelial tumors that involve the ovary or peritoneal surfaces are considered to have arisen either in the ovary or endometrium or, in absence of significant ovarian or endometrial involvement, in the ...

BACKGROUND: Lymph node metastasis is the mayor cause of mortality in patients with head and neck squamous cell carcinomas (45%). The genetic changes underlying metastasis are still largely unknown and genetic markers to predict lymph node positivity still need to be found. The aim of this study was to search ...

The case of a 51-year-old woman with a primary carcinoma of the left fallopian tube is presented. Laparotomy performed for an ovarian tumour revealed that the patient had normal ovaries, but a left fallopian tube was dilated and filled with a tumour mass. Histopathological examination revealed primary adenosquamous cell carcinoma ...

This study investigated the relation of symptoms of vocal fatigue to acoustic variables reflecting type of voice production and the effects of vocal loading. Seventy-nine female primary school teachers volunteered as subjects. Before and after a working day, (1) a 1-minute text reading sample was recorded at habitual loudness and ...

A correlation between laryngo-pharyngeal reflux and laryngeal carcinoma is currently debated. Chronic inflammation is a mutagen factor confirmed in the cancerogenesis of various tumours. Aim of the present study was to evaluate, in an objective and consecutive way, with 24h multi-electrode pH-metry the presence of proximal and distal oesophageal reflux ...

Professor Ian Aird, a renowned British surgeon of the mid-twentieth century, described a peculiar neoplasm of the foot in 3 patients under the term epithelioma cuniculatum, now more commonly called carcinoma cuniculatum. I will recount the life of Professor Aird and then summarize his original report emphasizing the clinical and ...

The purpose of this study was to assess the significance of the expression of p21WAF1/Cip1 and proliferating cell nuclear antigen (PCNA) in human laryngeal squamous cell carcinomas. Forty-eight patients (25 supraglottic, 23 glottic) who had undergone operations between 1998 and 2003 were included in this study. The Envision immunohistochemistry method ...

Laryngeal carcinoma is the 11th commonest form of cancer in men world-wide, with 121,000 new cases in 1985. More than 95% of all laryngeal malignancies are squamous cell carcinomas. Treatment indications in cancer of the larynx are often controversial, since there are few comparative studies of different available therapeutic approaches. ...

A young harbor seal (Phoca vitulina richardi), stranded on the coast of California, was found to have a 20-cm-diameter cranial cervical mass. Surgical excision revealed the subcutaneous mass to be covered in haired skin with multiple glabrous areas and structures resembling a jaw with tooth buds, eyelids, and a tail. ...

Versican and decorin, two proteoglycans (PGs) with contradictory roles in the pathophysiology of cancer, comprise important stromal components in many tumor types and play a crucial role in the progression of cancer. In this study, we provide direct evidence for a significant and stage-related accumulation of versican and decorin in ...