Search Results
Results 151 - 200 of 970
1 2 3 4 5 6 7 8 9 10 >
Mirochnik Brandon - - 2012
Palpable scrotal mass, acute scrotal pain, and enlarged scrotum are common scenarios in clinical practice. The imaging modality of choice to evaluate scrotal pathology is ultrasound (US). US is key in determining if a palpable abnormality is extratesticular or intratesticular and cystic or solid. US findings help narrow the differential ...
Noffke C E E - - 2012
The objective of this report is to present an unusual case of a gigantiform cementoma manifesting with gross expansion of the maxilla in a 6-year-old black female. No history of similar lesions in the family of the patient was obtained. Radiographic examination revealed a well-circumscribed lobular radio-opaque mass surrounded by ...
Eloubeidi Mohamad A - - 2012
To determine the yield of endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) in combination with immunostains in diagnosing unusual solid pancreatic masses (USPM) in comparison with pancreatic adenocarcinoma (ACP). All EUS-FNA of solid pancreatic masses performed with a 22-gauge needle were included. Data on clinical presentations, mass characteristics, presence of pancreatitis, yield ...
Grosset Claire - - 2012
An adult female African collared dove (Streptopelia roseogrisea) was presented for examination of a mass on the medial surface of the left wing. The mass had been present for 2 months but had grown rapidly over the previous 2 weeks. One week after presentation, the mass was surgically excised and ...
Pereira Nigel - - 2012
OBJECTIVE: The study aimed to report the case of a patient with an enlarging and symptomatic epidermal inclusion cyst during pregnancy that required surgical excision. MATERIALS AND METHODS: This study was a case report of a 28-year-old woman (gravida 8, para 5, aborta 2) at a gestational age of 18 ...
Jung Kyong-Hee - - 2012
Intestinal duplications are rare developmental abnormalities that may occur anywhere in the gastrointestinal tract. The possibility of a malignant change occurring in these duplications is very low. We present a case of adenocarcinoma arising in a duplication of the cecum. A 41-year-old male patient was admitted because of a palpable ...
Mowat Freya M - - 2012
A 6-year-old neutered male domestic short-haired cat was presented to the Comparative Ophthalmology service at Michigan State University with a 3-week history of decreased appetite and redness of the left eye. The left forelimb had been removed 15 months previously because of the presence of a subcutaneous fibrosarcoma. In the left ...
Adil Eelam - - 2012
BACKGROUND: Hyalinizing clear cell adenocarcinoma (HCCA) is a rare salivary gland malignancy. To our knowledge, there are no published reports of primary clear cell carcinoma of the vallecula. METHODS: A 59-year-old man with progressive dysphagia and otalgia underwent direct laryngoscopy with biopsy of a vallecular mass. The pathology results returned ...
Billington P D - - 2012
Biliary cystadenomas are predominately benign tumours that have a low malignant potential. We present a case of a 30-year-old female with a histopathological confirmation of a biliary cystadenoma following resection. The diagnosis was made pre-operatively by MRI using the hepatocyte-specific contrast agent gadobenate dimeglumine (Gd-BOPTA) (MultiHance; Bracco Diagnostics Inc., Princeton, ...
Ishibashi Hiroki - - 2012
We present an unusual case of acute abdomen caused by torsion of an accessory spleen with situs inversus in a child. A three-year-old girl was admitted to our hospital with an 11-day history of right flank pain with fever. Her medical history revealed an operation of coarctation of the aorta ...
Berg Wendie A - - 2012
Purpose: To determine whether adding shear-wave (SW) elastographic features could improve accuracy of ultrasonographic (US) assessment of breast masses. Materials and Methods: From September 2008 to September 2010, 958 women consented to repeat standard breast US supplemented by quantitative SW elastographic examination in this prospective multicenter institutional review board-approved, HIPAA-compliant ...
Bai Min - - 2012
Objectives- The purpose of this study was to investigate the clinical usage of Virtual Touch tissue quantification (VTQ; Siemens Medical Solutions, Mountain View, CA) implementing sonographic acoustic radiation force impulse technology for differentiation between benign and malignant solid breast masses. Methods- A total of 143 solid breast masses were examined ...
Snyder Jason A - - 2012
Giant congenital melanocytic nevi (CMN) are considered to be premalignant with the highest risk for conversion to melanoma. Solid tumors within giant CMN presenting at birth are relatively unusual, and a variety of malignancies have been reported within these masses. However, the frequency of malignancy in these tumors is unknown. ...
Chiun Kian Chai - - 2012
To report an unusual location of infrasellar craniopharyngioma in a peadiatric patient. A six-year-old boy presented with persistent bilateral nasal obstruction for one year. Clinical examination revealed a posterior choanal mass arising from septum and the finding was confirmed by paranasal sinuses computed tomography scan. He then underwent wide local ...
Ozaki Masahiko - - 2012
Pericardial cysts are rare benign mediastinal lesions and most commonly located at the cardiophrenic angle. We present a case of an atypically located pericardial cyst in a patient who underwent myocardial revascularization. A 61-year-old man with acute myocardial infarction was scheduled for coronary artery bypass grafting (CABG). Preoperative chest computed ...
Ibebuike Kaunda - - 2012
Cerebellar mass lesion is an uncommon presentation of toxoplasmosis. The authors report one rare case in an 11-month-old HIV/AIDS female infant who presented with deterioration in her developmental milestones. CT scan revealed a ring-enhancing mass lesion in the right cerebellar hemisphere with secondary obstructive hydrocephalus. A ventriculoperitoneal shunt was inserted ...
Raza Sughra - - 2012
RATIONALE AND OBJECTIVES: To evaluate outcome of magnetic resonance (MR)-detected biopsied breast lesions ≤5 mm by correlating imaging characteristics with pathology. METHODS AND MATERIALS: Institutional review board-approved retrospective review of 565 lesions biopsied with MR guidance between March 2004 and February 2009 found 68 lesions ≤5 mm in 61 patients. ...
Stankiewicz Kelly - - 2012
Solar lentigines are considered one of the earliest signs of photoaging and are an extremely common cosmetic complaint. Successful removal of these lesions can be achieved with laser and non-laser light sources, and is one of the most frequently performed cosmetic procedures in laser centers. Distinguishing a benign lentigo from ...
Govaerts Kim - - 2012
Bronchogenic cysts are mostly benign, congenital abnormalities originating from the remnants of the primitive foregut. A retroperitoneal location is rare. Due to the mostly asymptomatic behavior and the historical confusion regarding histology, an exact prevalence is not known. We present here a case report of a retroperitoneal bronchogenic cyst. A ...
Singh Vijay A - - 2012
Cardiac papillary fibroelastomas are a rare form of benign, primary cardiac tumor. They tend to develop from the valvular endocardium, with nonvalvular locations being uncommon. They are primarily found on either the mitral or aortic valve. They account for 7% of all primary cardiac tumors. Papillary fibroelastomas are usually identified ...
Kalhan Shivani - - 2012
Transthoracic fine needle aspiration cytology (FNAC) is an established and safe technique for diagnosis of thoracic mass lesions. Computed tomography (CT) scan depicts clear anatomical details and provides access to any area of the body. It is, however, expensive and the needle is not passed in real time. Ultrasound is ...
Fish Lindsay M - - 2012
Ionizing radiation has been used therapeutically for a variety of clinical conditions, including treatment of hypertrophic keloids. Keloids may rarely be associated with malignancy, but the use of low-dose ionizing radiation is associated with an increased risk of cutaneous malignancies. We describe a case in which a primary desmoplastic melanoma ...
Szabados Sandor - - 2012
Heterotopia of pancreatic tissue is a common developmental anomaly. Although ectopic pancreatic tissue is mostly found in the gastrointestinal tract, localization in the mediastinum is extremely rare. We report a 32-year-old male patient who had an urgent thoracotomy two years ago due to a thoracic surgery. During the thoracotomy fragments ...
Maitra Rudra Krishna RK General Surgery Department, Nottingham University Hospitals, Queens Medical Centre, Nottingham, UK. - - 2012
A 75-year-old man presented with a fungating peri-anal mass which appeared malignant at presentation and required a defunctioning colostomy due to abdominal distension. Multiple biopsies were negative for malignancy and CT/MRI scans showed no malignant mass. A provisional diagnosis of prolapsed haemorrhoids was made and the mass was treated with ...
Henderson-Jackson Evita - - 2012
Prostatic ductal adenocarcinoma (PDA) is an uncommon histological variant of prostatic adenocarcinoma that may present clinically as a cystic mass [1-3]. We report a case of cystic PDA presenting as a cystic perirectal mass in a 61 year old male. Fine needle aspiration cytology showed malignant cells with round-oval to ...
Kato Hisashi - - 2012
The differential diagnosis of a buccal soft tissue mass containing calcified bodies includes a phlebolith associated with a vascular lesion, such as a hemangioma with a calcified intravascular thrombus, and diseases such as sialolithiasis, traumatic myositis ossificans, calcified acne lesion, neoplasm, and calcified lymph nodes, including tuberculosis. The appearance of ...
Bahgat Mohammed - - 2012
Chondrosarcoma of the nasal septum is a rare malignancy. When it occurs, early diagnosis is difficult because patients generally present with common, non-specific sinonasal complaints. This is the report of a 62-year-old woman who presented with a 1-month history of nasal obstruction, headache and anosmia. Nasal endoscopy showed a nasal ...
Kacerovska D - - 2012
We report a case of middle ear adenoma (neuroendocrine adenoma of the middle ear) protruding into the external ear canal. The patient was a 65-year-old man with hearing alterations and a headache in whom an otoscopy disclosed a sessile, pea-sized, brown-reddish, focally bleeding mass located in the posterior-superior aspect of ...
Gallagher Thomas Q - - 2012
Thyroglossal duct cysts (TGDCs) are the most common congenital anomaly of the neck. The most common presentation of TGDCs is a firm, midline mass. The Sistrunk procedure is the recommended treatment for TGDCs. Based on anatomic and embryologic study, Dr. Sistrunk recommended removal of not only the cyst and central ...
Huan Lawrence - - 2012
Paragangliomas are tumors of the sympathetic and parasympathetic paraganglia. While most paraganglioma are of parasympathetic origin and present as benign palpable masses of the neck, sympathetic paraganglioma are often secretory, presenting with symptoms related to excess catecholamines. Such symptoms include hypertension, headache, palpitations, and diaphoresis. Most sympathetic paraganglioma form within ...
Stitely Michael L - - 2012
Large cystic ovarian masses pose technical challenges to the laparoscopic surgeon. Removing large, potentially malignant specimens must be done with care to avoid the leakage of cyst fluid into the abdominal cavity. We present the case of a large ovarian cystic mass treated laparoscopically with intentional trocar puncture of the ...
Setia Aparna A Obstetrics and Gynaecology Department, Pravara Institute of Medical Sciences, Ahmednagar, India. - - 2012
Fibroid most commonly presents in the reproductive age group and presence of fibroid with postmenopausal bleeding is a rare entity and all investigations and measures should be done to rule out leiomyosarcoma. A 45-year-old female had attained menopause 3 year back and developed postmenopausal bleeding since 2 months, with palpable ...
Zhang Hai-Yan - - 2012
Synovial sarcoma is a malignant mesenchymal neoplasm that is frequently misdiagnosed as a benign condition because of its small size, slow growth, and well-delineated appearance. Rapid spread and early death occur rarely. Here we report a case of synovial sarcoma of the buttocks presenting with a non-healing wound and rapid ...
Lachter Jesse - - 2012
Pancreatic neoplasms in children are rare. Herein is reported the case of a four-year-old girl whose mother was exposed to radiation at Chernobyl that presented with obstructive jaundice and a mass suspected on CT and diagnosed by endoscopic ultrasound (EUS) with fine needle aspiration (FNA). This child is probably the ...
Nishimura Mizuki - - 2012
A 79-year-old man had a 3.5-year history of edema of the lower extremities of unknown etiology. Abdominal computed tomography showed a soft tissue mass around the abdominal aorta, and the biopsy revealed dense fibrosis with abundant infiltration of IgG4-positive plasma cells. His serum IgG4 level was increased to 188 mg/dL. ...
Kiymaz Nejmi - - 2012
Teratomas are rare congenital tumors. Teratomas frequently occur in adult ovaries, but can be located primarily in the sacrococcygeal zone and intracranial compartment in newborns. Teratomas are rare in the head and neck region. Teratomas arise following a sequence of cells derived from more than one germ layer at different ...
Cukurova Ibrahim I Department of Otolaryngology and Head and Neck Surgery, the Ministry of Health Izmir Tepecik Training and Research Hospital, Izmir, 35120, Turkey. - - 2012
Teratoma refers to a neoplasm that recapitulates all three germ layers. Teratomas may be histologically mature and oncologically benign. Teratomas may also be histologically immature while being oncologically benign, or they may harbor malignant components and have the potential to exhibit an aggressive biological behavior. Teratomas of the head and ...
Jeong Hii-Sun - - 2012
Nevus comedonicus is a type of hamartoma that arises from a developmental anomaly of the mesodermal part of the pilosebaceous gland. In most cases of nevus comedonicus, an acne-like skin condition develops. Repeated inflammation can cause a morphological change to the cyst, papule, to abscess. We experienced a case of ...
Siddique M A - - 2012
Due to difficult anatomical position nasopharyngeal carcinoma (NPC) is always challenging problems both from the diagnostic and therapeutic corner. A 24 years old lady came to our Department of Otolaryngology and Head-Neck Surgery with the complaints of epistaxis, right sided neck swelling, nasal obstruction and headache. On digital palpation Nasopharyngeal ...
Palmucci Stefano - - 2012
Solid pseudopapillary tumor of the pancreas is a rare neoplasm, predominantly observed in young women and with greatest incidence in the second and third decade. It has clinically good behavior, although large at the time of diagnosis. We report the case of a thirty-year-old woman with a giant mass in ...
Auer Johann - - 2012
Symptomatic mitral stenosis caused by a left atrial mass as the first sign of metastasis of a malignant tumor is extremely rare and frequently associated with poor prognosis. We report a case of a 59-year-old man with a history of grade 3 malignant fibrous histiocytoma on his left tigh treated ...
Van Crombrugge L - - 2012
Sinonasal malignant neoplasms are uncommon, with an annual incidence of less than 1/100,000. About 80% of these are squamous cell carcinoma. Adenocarcinoma and adenoid cystic carcinoma are next in frequency. Lymphoma of the nasal cavity, paranasal sinuses and nasopharynx are rare, constituting less than 5% of all extranodal lymphomas. A ...
Can Bilge - - 2012
Tubular or villous adenomas are common neoplasms of the gastrointestinal tract. Other locations where these adenomas are found, including the female genital tract, are very rare. A literature review documents that only eight cases of tubular or villous adenomas found within the vagina have been published. A 25-year-old, Caucasian woman ...
Wood Jeyhan - - 2012
ABSTRACT: A dermoid cyst is a thin-walled benign tumor formed by the entrapment of ectodermal tissue during embryologic development, resulting in the inclusion of epithelium and adnexal elements within the tumor. Dermoids are not unique to a single anatomic location but are often isolated to the skin and subcutaneous tissue. ...
Mathioudakis Nestoras - - 2012
Pituitary adenomas are the most common cause of a sellar mass. Metastases to the pituitary gland, a rare occurrence, may mimic benign pituitary adenomas. We report here a case of a 61-year-old woman with an 80-pack-year smoking history who presented with headache and diplopia. Visual field testing demonstrated bitemporal hemianopsia. ...
Dulani Somya - - 2012
In this paper, we report a case of bilobed schwannoma, presented in the roof of orbit arising from supraorbital nerve. A 62-year male presented with a nontender mass in superior part of orbit and eccentric proptosis. Visual acuity and rest of ocular examination were normal. CT scan and MRI orbit ...
Isola Vincenzo - - 2012
This report documents a case of T cell lymphoma manifesting only with a conjunctival mass. A 67-year-old man underwent a diagnostic punch biopsy, histopathological examination, and immunohistochemical study for a pink-yellow colored mass infiltrating the bulbar conjunctiva in the lower fornix of the eyelid. A biopsy specimen of the conjunctival ...
Navin P - - 2012
Primary retroperitoneal tumours of mucinous type are extremely rare and can be further sub-divided into benign, borderline or cystadenocarcinoma. Prompt diagnosis of retroperitoneal tumours is important as the majority are malignant. Our case describes a 30year old woman, presenting with a 3month history of intermittent right iliac fossa pain. Abdominal ...
Ouarssani Aziz - - 2012
Primary melanoma of the lung is an extremely rare pathological entity and sparsely reported in the literature. A 68-year-old man was admitted with 3 months history of cough, sputum production, dyspnea, hemoptysis and chest pain. The chest radiography demonstrated bilateral mass lesion and thoracal computerized (CT) showed a bilateral tissu ...
Santiago Ronaldo A RA Department of Ocular Oncology, Princess Margaret Hospital/UHN, Toronto, Ontario, Canada. - - 2012
A 67-year-old man was referred for evaluation of a small mass on the sclera of the right eye. Ultrasound biomicroscopy of the mass suggested the diagnosis of Axenfeld loop.
1 2 3 4 5 6 7 8 9 10 >