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Foust-Wright Caroline - - 2012
Aggressive angiomyxoma is a rare soft tissue tumor of the pelvis. Notorious for its locally infiltrative behavior, this tumor is identified by pathological appearance. Grossly gelatinous, spindle cells widely separated by collagen fibrils with vascular components can be microscopically visualized. Wide local excision is the treatment of choice. A 19-year-old ...
Dufay C - - 2012
Mesenteric tumors are rare and consist of a heterogeneous group of lesions. Masses may arise from any of the mesenteric components: peritoneum, lymphatic tissue, fat, and connective tissue. Cellular proliferation can also arise from infectious or inflammatory processes. They can be classified as solid or cystic, benign or malignant. Mesenteric ...
Kirshenbaum Kevin - - 2012
  To reassess the minimum number of specimens required for an accurate diagnosis compared to the standard acquisition of five specimens. A total of 190 consecutive breast mass biopsies were performed using a 14-gauge core biopsy needle under ultrasound guidance. Two to six specimens were obtained from each mass and ...
Hsieh Chung-Chan - - 2012
OBJECTIVES/HYPOTHESIS: This study investigated the association between the results of nasopharyngeal (NPX) biopsies and clinical manifestations in patients with suspected nasopharyngeal carcinoma (NPC). STUDY DESIGN: Retrospective cohort study. METHODS: Four hundred seventy-three patients with 512 NPX biopsies were enrolled. The statistical analyses were conducted to evaluate clinical significance and screening ...
Fundakowski Christopher E - - 2012
Middle ear carcinoid is a rare entity with an indolent clinical course. Numerous reports have described local recurrence and metastasis to the cervical lymph nodes, although only one report of distant visceral metastasis exists in the literature. We describe the potential for osseous metastasis. A 52-year-old male with previous middle ...
Rathore Animesh - - 2012
An adrenal mass in a newborn usually suggests a diagnosis of neuroblastoma or hemorrhage. A 6-week-old girl was referred for evaluation of a left adrenal mass. The initial findings were most consistent with an adrenal hemorrhage. On surveillance imaging, the lesion was characterized as a complex cystic mass. The patient ...
Lee Yong-Cheol - - 2012
Biopsy, using mediastinoscopy is commonly employed for accurate histologic diagnosis of a mediastinal mass. However, since the mass is not removed during the procedure, it may cause compression of vital structures such as major airways, the heart, the pulmonary artery, and the superior vena cava after surgery. We observed a ...
Han Hyun Ho - - 2012
To identify size criteria for complex cystic renal masses that can distinguish renal cell carcinoma from benign cysts supplementing the Bosniak classification. We reviewed the records of 97 patients who underwent surgery for complex cystic renal masses from January 2001 to April 2010. The pathological results were compared with the ...
Wee Eric - - 2012
: To study the factors that influence the cellularity and adequacy of endoscopic ultrasound (EUS)-guided fine-needle aspiration (FNA). : An on-site cytopathology service is preferred during EUS-guided FNA. However, this is not always available. Factors that influence the aspirate cellularity and adequacy have not been well defined in the absence ...
Carlson Matthew L - - 2012
We describe the fifth published report of a mesenchymal hamartoma presenting as a cheek mass. A 5-month-old infant was brought to our institution for evaluation of an enlarging left-sided congenital cheek mass. Over time, the lesion had begun to cause significant facial asymmetry and oral incompetence. Radiologic imaging revealed an ...
Yerli Hasan - - 2012
Objectives- Our aim was to investigate whether the use of a qualitative elasticity scoring method by sonoelastography is beneficial for management of salivary gland masses. Methods- Thirty-six patients with salivary gland masses (30 parotid and 6 sub-mandibular) were prospectively included in this study. For each lesion, B-mode sonographic and sonoelastographic ...
Kim Sang Wha - - 2012
ABSTRACT: Median palatine cyst is a rare fissural cyst of nonodontogenic origin located in the midline of the hard palate, posterior to the palatine papilla. Only 21 cases have been reported in the literature, and documented here is a median palatine cyst of the largest dimension thus far.A 14-year-old male ...
Sofi Fayaz A - - 2012
Schwannomas are rare neurogenic tumors derived from the schwann cells. Their laryngeal location is uncommon and the diagnosis is difficult. We report a case of a 17-year-old female who presented with symptoms of intermittent breathlessness mimicking acute attacks of bronchial asthma and resulted in delayed diagnosis, which lead to upper ...
Kelles Mehmet - - 2012
ABSTRACT: A 59-year-old woman who had left nephrectomy because of renal cell carcinoma (RCC) 3 years ago referred with trismus and a mass on her left temporomandibular joint. Computed tomography scan revealed an expanding lytic lesion on the left condyle of the mandible. Incisional biopsy was carried out. Histopathologic diagnosis ...
Kim Pamela S - - 2012
Cutaneous presentations of bronchogenic cysts are rare in all age groups. Previous reports of cutaneous manifestations of bronchogenic cysts have been described as nodular, adherent masses, most frequently with a suprasternal location. We report a unique presentation of an infant with a pedunculated, anterior chest wall mass, which was identified ...
Fernández-Aceñero María-Jesus - - 2012
The objective of the present study is to report two cases of a rare entity, which is being increasingly recognized in recent years. A 35-year-old woman and a 33-yearold man were incidentally discovered to have bilocular cystic hepatic masses affecting segment IV. In both cases the cystic mass was excised ...
Mizutani Eiki - - 2012
Background: Thymic cysts are usually located in the neck or anterior mediastinal compartment. Thymic cysts arising in the middle mediastinum are extremely rare, with only 2 previously reported cases. We herein describe the third case of a thymic cyst in the middle mediastinum. Case: A 41-year-old female was referred to ...
Ditta Lauren C - - 2012
A 51-year-old woman with a history of migraine headaches was found to have an incidental right orbital mass on MRI during neurologic evaluation for headaches. The orbital mass was a well-defined, lobulated, intraosseous soft tissue lesion with circumscribed margins. Clinically, there was noted proptosis, tenderness to palpation, and slight limitation ...
Madden-Fuentes Ramiro - - 2012
Testicular masses in prepubescent children are typically benign. Most masses are mature teratomas, epidermoid cysts, and stromal tumors. Synchronous bilateral testicular masses in children are rare. The etiology of these includes synchronous primary testicular masses, lymphoma, leukemia, and adrenocortical rest hyperplasia. Partial orchiectomy, or testis-sparing surgery, is now preferred in ...
Ahn Ji Yong - - 2012
Accessory spleen can be mistaken as a gastric subepithelial mass, and may not be differentiated in CT or endoscopic ultrasonography (EUS). A gastric subepithelial mass was detected on routine endoscopy in a 39-year old woman with history of splenectomy. In subsequent CT and EUS, the subepithelial mass was located on ...
Oh Sun-Ju - - 2012
We report the unique presentation of a glioneuronal heterotopia in the cerebellomedullary cistern in association with salivary gland and adipose tissue in a 56-year-old woman. The patient presented with persistent pain of the posterior neck and was diagnosed with a snow-man shaped cystic solid mass in the cerebellomedullary cistern of ...
Sharpley Jenelle L - - 2012
Benign and malignant splenic masses can appear similar on B-mode imaging, making ultrasound sensitive but not specific in their diagnosis. Our goal was to characterize color and/or power Doppler characteristics of vasculature within and adjacent to a splenic mass, which would distinguish benign vs. malignant lesions. The hypothesis was that ...
Gong Ting-Ting - - 2012
BACKGROUND: Distinguishing pancreatic adenocarcinomas from other pancreatic masses remains challenging with current imaging techniques. Contrast-enhanced EUS further improved the efficacy of EUS to characterize pancreatic lesions. OBJECTIVE: To assess the accuracy of contrast-enhanced EUS for diagnosing adenocarcinoma in patients with pancreatic masses by pooling data of existing trials. DESIGN: We ...
Horikawa Masahiro - - 2012
Atypical polypoid adenomyoma (APA) of the uterus is a rare neoplasm that predominantly occurs in premenopausal woman. It typically appears as a polypoid mass with a mixture of hyperintensity and hypointensity on T2-weighted MRI. We report a case of a 45-year-old woman with multiple APAs (33 and 22 mm). She underwent ...
Lhermitte Benoît - - 2012
The development of new therapeutic options for renal tumors has lead to the need of a pretherapeutic diagnosis for an increasing proportion of patients presenting with a renal mass. This need is particularly important for a small, incidentally discovered renal mass (less than 4 cm) as it can be a benign ...
Conrad Claudius - - 2012
The differential diagnosis of a pancreatic head mass encompasses a wide range of clinical entities that include both solid and cystic lesions. This chapter focuses on our approach to the patient presenting with a newly found pancreatic head mass with the main goals of determining the risk of the lesion ...
Barazani Yagil - - 2012
A 26-year-old male presented with an asymptomatic 6-cm left paratesticular mass. Ultrasound and magnetic resonance imaging confirmed this mass as extratesticular, likely a tumour arising from the left spermatic cord. The mass demonstrated marked avid enhancement on post-contrast images, suggestive of a spermatic cord sarcoma. A left inguinal exploration was ...
Chi Ming - - 2012
Here, we present an observational case report of choroidal involvement of subcutaneous diffuse large B-cell lymphoma (DLBCL). An 85-year-old female presented with a growing mass on her left abdominal wall that had been gradually growing over 2 months, which was diagnosed as subcutaneous DLBCL. A total of 1.5 months after ...
Ramesh Jayapal - - 2012
Endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) has evolved to become an indispensable tool for tissue acquisition. While the overall diagnostic accuracy of EUS-FNA is greater than 90% for lung cancer staging, it is lower for pancreatic mass lesions. Several factors such as location of the tumor, disease characteristics and procedural ...
Kim Jina - - 2012
Biliary tract duplication cysts with heterotopic gastric mucosa are rare congenital anomalies, with our case representing only the fourth reported case in the literature. An 8-year-old girl with several months of abdominal pain was found to have a complex cystic mass communicating with the biliary system via the common hepatic ...
Lariviere Cabrini A - - 2012
Congenital cervical anomalies are essential to consider in the clinical assessment of head and neck masses in children and adults. These lesions can present as palpable cystic masses, infected masses, draining sinuses, or fistulae. Thyroglossal duct cysts are most common, followed by branchial cleft anomalies and dermoid cysts. Other lesions ...
Tarantino Roberta Magalhães - - 2012
Adrenal incidentalomas (AI) are unsuspected adrenal masses discovered during investigation of unrelated diseases, and are increasing in frequency. The majority of the AI is non-secretory adenomas, although it can also represent primary or metastatic malignant neoplasia. However, less frequent diseases should not be forgotten in the differential diagnosis. We describe ...
Bang Ji Young JY Division of Gastroenterology-Hepatology, University of Alabama at Birmingham, Birmingham, Alabama 35294-0007, - - 2012
To overcome limitations of cytology, biopsy needles have been developed to procure histologic samples during EUS. To compare 22-gauge (G) FNA and 22G biopsy needles (FNB) for EUS-guided sampling of solid pancreatic masses. Randomized trial. Tertiary-care medical center. This study involved 56 patients with solid pancreatic masses. Sampling of pancreatic ...
Grozdanic Sinisa - - 2012
A 6-year-old neutered male German Shepherd-mixed breed with a 2-month history of bilateral conjunctival hyperemia, epiphora, and a firm, slowly progressive swelling of the medial canthal region of the left eye (OS) was examined. Ophthalmic examination OS revealed a firm and smooth mass, extending from the medial canthus toward the ...
Faschingbauer F - - 2012
Purpose: To assess the diagnostic accuracy of a new automatic texture-based algorithm (ATBA) in ultrasound imaging of ovarian masses and to compare its performance to subjective assessment by examiners with different levels of ultrasound experience. Materials and Methods: A total of 105 ultrasound images from three different groups of ovarian ...
Saettele Megan - - 2012
Congenital midline nasal masses are uncommon anomalies including nasal dermoids/epidermoids, nasal glial heterotopias and encephaloceles. These lesions can occur at the nasal bridge, extend intranasally and have intracranial extension with communication to the subarachnoid space. Therefore, accurate diagnosis of these lesions is critically important for presurgical planning and prevention of ...
Dumonceau Jean-Marc JM Division of Gastroenterology and Hepatology, Geneva University Hospital, 1211 Geneva, Switzerland. - - 2012
To assess the characteristics and quality of endoscopic ultrasonography-guided fine needle aspiration (EUS-FNA) in a large panel of endosonographers. A survey was conducted during the 13th annual live course of endoscopic ultrasonography (EUS) held in Amsterdam, Netherlands. A 2-page questionnaire was developed for the study. Content validity of the questionnaire ...
Dufrechou Lídice - - 2012
  An 8-year-old boy presented to the pediatric dermatology service with an elevated, moist and vegetated pinkish mass, measuring 4 × 5 × 2 cm in diameter, located in the scrotum. The lesion has been gradually increasing in size showing a recent accelerated growth. Excisional biopsy demonstrated the histological picture ...
Beck Amanda P - - 2012
Malignant neoplasms occur commonly in cattle, with lymphosarcoma being the most common. Chondrosarcoma rarely has been described and only in mature cattle. The present report describes a chondrosarcoma of the left scapula of an 8-month-old Holstein steer. Histologic examination of the mass revealed an unencapsulated, multilobular neoplasm composed of neoplastic ...
Burgess Hilary J - - 2012
A 12-year-old female Argentinean Warmblood mare was evaluated because of respiratory noise. The horse resided in Calgary, Alberta, Canada, but had been imported from Argentina 28 months prior to presentation. Endoscopy of the upper respiratory tract revealed a single polypoid mass on the left arytenoid. The mass was surgically excised ...
Adaletli Ibrahim - - 2012
Intraabdominal extrapulmonary sequestration is seen very rarely. When a left suprarenal mass is detected in prenatal sonography, vascularization of the lesion should be evaluated with color Doppler sonography. We present a case of intraabdominal extrapulmonary sequestration that was diagnosed by color Doppler ultrasound at 22 weeks' gestation. © 2012 Wiley ...
Giona Simone - - 2012
We report the case of a sacral neurinoma, which presented with mild hydronephrosis, due to compression of the right ureter, in a 71-yr old woman admitted to our hospital with recurrent urinary tract infections. CT and MRI detected a 4 x 4 cm mass pressing on the right ureter at ...
Halefoglu Ahmet Mesrur - - 2012
The Ewing's sarcoma family of tumors is an uncommon group of malignant neoplasms that may be located in both skeletal and extraskeletal regions. Extraskeletal Ewing's sarcoma (EES) is quite rare and predominantly involves the soft tissues of the trunk or the extremities. Herein, we report the case of a 19-year-old ...
Banco Barbara - - 2012
In the present study, a case of a spontaneously metastasizing seminoma in 9-year-old pet lionhead rabbit is described. The rabbit was presented with unilateral testicular enlargement and a palpable abdominal mass. Spiral computed tomography revealed the presence of an abdominal-pelvic mass in the region of the sublumbar lymph nodes. Testes ...
Anthony Evelyn Y - - 2012
This article reviews the range of adnexal masses that present in pediatric females. The preferred imaging modalities, the appearance of the normal ovaries, and the epidemiology of ovarian diseases and abnormalities are discussed. The illustrated abnormalities include simple and complex ovarian and paraovarian cysts, neoplasms, ovarian torsion, ectopic pregnancy, and ...
Costa Dias Sílvia - - 2012
Lipofibromatosis is a rare benign fibrofatty tumor of childhood. The typical presentation of this tumor is as a poorly demarcated and slow-growing mass involving the subcutaneous or deep soft tissues. Lipofibromatosis was first described in 2000, and since then, a small number of cases have been reported in the literature. ...
Keller Dominique L - - 2012
An 18-month-old, female, spayed domestic ferret (Mustela putorius furo) was presented for progressive hind limb paresis of 1 week duration. The ferret was mentally appropriate but cachexic and ataxic with neurological deficits, which localized the lesion to the lumbosacral region. A depression in the lumbosacral spine was associated with discomfort ...
Güler Nurhan - - 2012
Although radiopaque lesions located in the maxillary sinus are rare, differential diagnosis should include a number of pathologies. Formation of stone, namely "antrolith" in the paranasal sinuses is a very rare phenomenon and it should be considered in the differential diagnosis, as it is usually located in the maxillary sinus. ...
Aga Fumitoshi - - 2012
Primary pericardial mesothelioma is an extremely rare malignancy. We report a case of a 58-year-old woman who presented with fever and fatigue. She had no apparent history of occupational or incidental exposure to asbestos. A postcontrast-enhanced chest CT revealed a 77 × 56-mm mass lesion in the pericardium. The FDG ...
Gupta Subhash C - - 2012
Lymphangiomatous polyp of the nasal cavity is a very rare condition. We are reporting a case of a unilateral nasal mass presenting with noisy breathing during sleep, change of voice, watery nasal discharge, and anosmia in a 5-year-old boy. The mass was removed via a transnasal endoscopic approach, and a ...
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