Search Results
Results 251 - 300 of 1915
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Roncati Luca L Department of Diagnostic and Clinical Medicine and of Public Health, Section of Pathology, University of Modena and Reggio Emilia, Struttura Complessa di Anatomia, Istologia e Citologia Patologica, Policlinico Hospital, via del Pozzo 71, 41125 Modena, - - 2013
Granular cell tumor (GCT) is a rare and usually benign lesion of neural / schwannian origin, most frequently found in middle-age women. The appendicular involvement is extremely rare: in over half a century only twelve cases have been reported in the literature, the patients living in America and Europe. Hitherto, ...
Hamidian Jahromi Alireza - - 2013
Heterotopic pancreatic tissue is not uncommon. Although the cancerous transformation of heterotopic pancreatic tissue is a theoretical possibility, it is an extremely rare phenomenon. The majority of the heterotopic pancreatic malignancies reported in the literature are adenocarcinomas (32 cases). An Acinar Cell Carcinoma (ACC) arising from heterotopic pancreatic tissue is ...
Ejtehadi Farshid - - 2013
Carcinoma arising at an ileostomy site is an extremely rare occurrence. The rate of malignancy arising at an ileostomy site is reported as being 2-4 of every 1000 cases. The development of squamous cell carcinoma at the mucocutaneous junction of an ileostomy is extremely rare. We present a case of ...
Nguyen My-Linh T - - 2013
Large cell neuroendocrine carcinoma (LCNEC) of the endometrium is a rare malignancy with an aggressive course. Although data is limited to case reports, the prognosis appears to be poor, similar to other type II uterine cancers. A total of 12 cases of LCNEC of the uterus have been published to ...
Skeith Leslie - - 2013
Extramedullary relapse of acute lymphoblastic leukemia (ALL) is rare and has been primarily reported in pediatric patients or hematopoietic stem cell transplant recipients. We report a case of a 62-year-old woman who presented with relapsed ALL involving her kidneys, pancreas, and bone marrow 2 years after completing chemotherapy with a ...
Ahsaini Mustapha M Department of Urology, University Hospital Center Hassan II, 30000 Fez, Morocco. - - 2013
Verrucous carcinoma of the external genitalia and perianal region is a rare variant of well-differentiated squamous cell carcinoma. It has been reported to have limited metastatic potential. We report the case of a 54 year-old Moroccan man who presented with locally advanced giant condyloma acuminatum (Buschke-Löwenstein tumor) after prolonged intervals of ...
Gu Mi Jin - - 2013
CD56 positive B-cell lymphoma is very rare. We experienced a case of CD56 positive diffuse large B-cell lymphoma, occurred in a young child. A 5-year-old girl complained with snoring and open mouth breathing. No any abnormality in laboratory or physical examination was present, except enlarged both tonsils. Bilateral tonsillectomy was ...
Pinto-Lopes Pedro - - 2013
CONTEXT Systemic mastocytosis is defined as a clonal disorder of mast cells and their precursor cells and is currently classified as a myeloproliferative neoplasm. Its clinical course has a wide spectrum, ranging from indolent disease, with normal life expectancy, to highly aggressive disease, associated with multisystemic involvement and poor overall ...
Hansen Mark S - - 2013
Primary cutaneous signet-ring cell carcinoma (PCSRCC) is a rare but aggressive tumor. Our case highlights a 60-year-old man who presented with eyelid ptosis, for which he underwent multiple surgical procedures over a 3-year period prior to referral to our clinic. These procedures were complicated by scarring, delayed healing, and poor ...
Ghafouri Ali - - 2013
Sarcomas are rare tumors account for about 1% of cancers in adult. Soft tissue sarcomas are the most common one. Synovial sarcoma's incident is about 10% of all sarcomas and most commonly rise from para-articular regions in young adults. Based on our knowledge there have been only two reports of ...
Polychronakis Ioannis - - 2013
Leukemia is a complex disease, which only became better understood during the last decades following the development of new laboratory techniques and diagnostic methods. Despite our improved understanding of the physiology of the disease, little is yet known about the causes of leukemia. A variety of potential risk factors have ...
Karasmanis Ilias - - 2013
Introduction. The nonsquamous carcinomas of the larynx are considered rare with the majority of malignant tumors in this area, reaching the rate of 95%, to be squamous cell neoplasms. Case Report. The case refers to a 53-year-old man that presented with symptomatology of motor nerve disease. During the evaluation of ...
Alavi Samin S Pediatric Congenital Hematologic Disorders Research Center, Shahid Beheshti University of Medical Sciences, Mofid Children's Hospital, Tehran 15468-15514, - - 2013
Herein, the first case of childhood erythrophagocytosis following chemotherapy for erythroleukemia in a child with monosomy 7 is reported. A 5-year-old boy presented with anemia, thrombocytopenia, and hepatosplenomegaly in whom erythroleukemia was diagnosed. Prolonged pancytopenia accompanied by persistent fever and huge splenomegaly and hepatomegaly became evident after 2 courses of ...
Kotb Ahmed Fouad - - 2013
Urethral stricture is a common urological condition, resulting from trauma or venereal infections. The aim of our study was to report a rare case of squamous cell carcinoma of the penis and pseudoepitheliomatous hyperplasia (PEH) of scrotal skin, on top of repeatedly managed urethral stricture which was of unknown aetiology. ...
Sun Z - - 2013
Parosteal lipoma is an unusual kind of lipoma and occurs in intimate association with the underlying periostium of the bone. Parosteal lipomas mostly affect the long bones and involvement of the mandible is rare. We report a case of ossifying parosteal lipoma of the mandible in which CT was effective ...
Nayar Anjeli K - - 2013
Giant cell arteritis may lead to catastrophic, large-vessel complications from chronic vascular wall inflammation without prompt diagnosis and treatment. We describe a rare case of acute aortic dissection without preceding aneurysm secondary to histologically confirmed giant cell arteritis (GCA) in an 85-year-old female with a four-year history of polymyalgia rheumatica ...
Joshi Prathamesh V - - 2013
Intravascular large B-cell lymphoma is a rare and aggressive variant of diffuse large B-cell non-Hodgkin's lymphoma. Its atypical presentation often delays the diagnosis and due to its aggressive behavior, the diagnosis is made post-mortem in half of the cases. We present FDG PET/CT findings in a case of IVLCL. In ...
Li Y - - 2013
Two cases of primary squamous cell carcinomas of the endometrium (PSCCE) are reported, and both were postmenopausal and presented with vaginal bleeding. Histologically, the endometrial curetting revealed extensive squamous metaplastic papillae with vacuolated cytoplasms. Numerous keratin debris were present in the superficial epithelium with neutrophils infiltration. Atypia existed in the ...
Borkar Sachin Anil - - 2013
Giant cell glioblastoma multiforme is a rare subgroup of glioblastoma multiforme. It constitutes about 5% of all glioblastoma cases. Pediatric giant cell glioblastoma is extremely rare. We report two such cases of giant cell glioblastoma in pediatric age group (≤18 years). The pertinent literature is reviewed regarding this uncommon entity.
Morrey Christopher - - 2013
CONTRIBUTING REVIEWERS: The editors of BMC Cell Biology would like to thank all of our reviewers who have contributed to the journal in Volume 13 (2012).
Al Majed Badr M BM Department of Plastic Surgery, Mayo Clinic, Jacksonville, - - 2013
Basal cell carcinoma is the most prevalent form of cancer worldwide, usually arising in the head and neck region, which is cured by surgical excision and rarely invades or metastasizes. Many reports exist of bony invasion in the head and neck but very rarely into long bones. We report an ...
Xu Xiangdong X Department of Pathology, VA San Diego Healthcare System San Diego, CA, USA ; Department of Pathology and Immunology, Washington University, School of Medicine St. Louis, MO, - - 2013
Anaplastic large cell lymphoma (ALCL) is a mature T cell lymphoma with characteristic morphologic, immunophenotypic and cytogenetic features. Current WHO classification includes anaplastic lymphoma kinase (ALK)-positive and ALK-negative variants. ALCL rarely presents with obstructive symptoms of the main airway. In addition to reporting a HIV-associated bronchial ALK-negative ALCL in a ...
Ghaouti Merieme - - 2013
Metastatic renal cell carcinoma in the gallbladder is extremely rare, with reported frequencies of less than 0.6% in large autopsy reviews. Only 40 cases were reported in the literature. We report a first case of gallbladder polypoid tumor revealing metastatic clear cell renal cell carcinoma, which demonstrates the importance of ...
Arslan Hakan - - 2013
ABSTRACT: Syringocystadenocarcinoma papilliferum is the rare malignant counterpart of a more common, benign adnexal neoplasm known as syringocystadenoma papilliferum. Review of the literature identified 21 cases of syringocystadenocarcinoma papilliferum. Most reported SCACP seem to represent examples of in situ adenocarcinoma or invasive adenocarcinomas, whereas to our knowledge, only 3 cases ...
Shakur Sophia F SF Section of Neurosurgery, University of Chicago Medical Center, Chicago, IL 60637, - - 2013
Glioblastoma (GBM) rarely presents as an infratentorial tumor in adults. The authors present a case of concomitant supratentorial and infratentorial GBM in an adult. A 72-year-old man presented with headache, nausea, vomiting, and lightheadedness. Initial MR images revealed enhancing masses in the right cerebellum and right posterior periventricular region. The ...
Shulik Oleg - - 2013
Patient: Male, 76 Final Diagnosis: Aorto-enteric fistula Symptoms: Abdominal pain • bloody vomiting • shock Medication: - Clinical Procedure: CT abdomen with contrast Specialty: Gastroenterology • vascular surgery. Rare disease. Primary Aorto-Enteric Fistula (PAEF) is a unique and rare life threatening communication between the Aorta and Gastrointestinal Tract with an ...
Dattolo Pietro - - 2013
Multiple solitary plasmacytoma (MSP) is a rare plasma cell dyscrasia, characterised by multiple lesions of neoplastic monoclonal plasma cells. It differs from multiple myeloma by the lack of hypercalcaemia, renal insufficiency, anaemia and pathological monoclonal plasmocytosis on a random bone biopsy. We present the case of an MSP described for ...
Policarpio-Nicolas Maria Luisa C ML Address: Department of Pathology, University of Texas Health Science Center at San Antonio, MC 7750, 7703, Floyd Curl Drive, San Antonio, Texas 78229-3900, - - 2013
Macrofollicular variant of papillary thyroid carcinoma (MFVPTC) is one of the rarest histologic types of papillary carcinoma. This tumor may mimic an adenomatoid/colloid nodule or follicular neoplasm (macrofollicular type) both on histology and cytology. There are very few articles describing the cytologic features of MFVPTC. We report the cytologic findings ...
Marchesi Andrea - - 2013
Background:Merkel cell carcinoma (MCC) is a rare cutaneous neuroendocrine malignancy that usually grows rapidly at the head and neck. Giant forms at the lower limbs are rarely reported and usually affect patients in the eighth decade or older.Methods:We report the case of a 60-year-old man who presented with a giant ...
Robillard Nicholas - - 2013
Adult Onset Still's Disease (AOSD) is a rare inflammatory syndrome mostly seen in young adults. Known for its wide range of clinical manifestations, AOSD often presents with nonremitting systemic signs and symptoms. Many rare case associations have been described with AOSD, but only few with pure red cell aplasia (PRCA). ...
Shahmoradi Zabihollah Z Department of Dermatology, Isfahan University of Medical Sciences, Isfahan, - - 2013
Clear cell hidradenoma or nodulocystic hidradenoma or acrospiroma are histologically distinct relatively rare tumors of sweat gland duct origin, found mainly in adults with a female preponderance. We report a case of eccrine hidradenoma in a 31-year-old man who presented with an asymptomatic, solitary nodule on occipital region. A few ...
Makino Katsuhiro K Department of General Medicine, Tokyo Metropolitan Police Hospital, 4-22-1 Nakano, Nakano-ku, Tokyo 164-8541, Japan. - - 2013
Intravascular large B-cell lymphoma is a rare aggressive disseminated disease characterized by the presence of lymphoma cells in small vessels without lymphadenopathy. Rituximab, a novel monoclonal antibody against the CD20 B-cell antigen, has been reported to be effective in treating intravascular large B-cell lymphoma. However, adverse events have been reported ...
de Mesquita Neto José Wilson Benevides - - 2013
A 78-year-old woman presented with an abdominal mass diagnosed by ultrasound and computed tomography. The patient underwent a laparotomy, during which a retroperitoneal tumor adherent to the cecum wall was identified. Microscopically, it showed spindle-cell proliferation in whorls, with low mitotic count (2 per 50 high-power fields) and was strongly ...
Chen Zhongchuan W ZW Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada M5S - - 2013
Biclonal plasma cell myelomas producing two different isotypes of immunoglobulins are extremely rare entities; to date, the combination of IgD and IgM secretion by a biclonal plasma cell myeloma has not been reported. Bone marrow biopsy immunohistochemical studies in two cases revealed neoplastic plasma cells coexpressing IgD and IgM, but ...
Bayindir Tuba - - 2013
Schwannomas are usually single, encapsulated, and benign tumors of the nerve sheath that arise from the perineural Schwann cells. Schwannomas are mostly seen in the fourth decade. Despite its location in the head and neck region is 25-45%, lip location of schwannoma are very rare. We present a case of ...
He Jian-Feng - - 2012
ABSTRACT: Congenital granular cell tumors (CGCTs), which are rare benign lesions in newborns, locate predominantly on the anterior maxillary alveolar ridge of female neonates. However, this lesion rarely occurs on the tongue, and only 9 cases have been reported in the English literature. Of the 9 cases, which have been ...
Shacham-Abulafia Adi - - 2012
Primary Burkitt's lymphoma of the ovary is extremely rare. We report the case of a 39-year-old woman who presented with a 1-month history complaints of night sweats, abdominal pain and dyspnea. Physical examination demonstrated pleural effusions, ascites and an abdominal mass. Imaging showed enlargement of both ovaries extending to the ...
Simonin Mathieu M Service de Réanimation Chirurgicale Pédiatrique, Hôpital Necker Enfants-Malades, Assistance Publique- Hôpitaux de Paris, Faculté de Médecine, Université Paris-Descartes, 149, Rue de Sèvres, 75743 Paris Cedex 15, - - 2013
Button battery ingestion in children is not a rare occurrence and may be unwitnessed and can be soon life-threatening or responsible for severe sequelae. We report herein an original history of previously healthy 16-month-old boy with an unwitnessed and misdiagnosis of lithium cell coin battery ingestion which leads to bilateral ...
Xu Bin - - 2012
This article reports on a novel strategy of continuous ovarian stimulation in a poor responder with two oocyte retrievals within the follicular and luteal phases of the same menstrual cycle. It also reviews studies of flexible ovarian stimulation. A patient aged 41years diagnosed as infertile with low ovarian reserve sought ...
Zeinstra J S F - - 2012
In this study, we present the rare case of a patient with a multifocal giant cell tumor of the tendon sheath occurring at three different localizations along the same tendon. We review radiographic, ultrasonographic, and magnetic resonance imaging findings, and discuss previously reported cases.
Xu Lauren - - 2012
Amyloid tumors presenting as lung masses are rare. We report 3 patients seen over a 2-year period with multiple lung masses, 2 that were suspicious for metastasis, and one in a patient with chest pain. Pathologic evaluation demonstrated amyloid tumor in each case. Two demonstrated a prominent macrophage giant cell ...
McPherson Victor A - - 2012
The overall 5-year survival of patients with urothelial carcinoma of the bladder (UC) is about 78%; however, there are some rare subtypes. One of these is the lipoid cell subtype, which bears a very poor prognosis. Another rare disease entity with a poor prognosis is metastasis to the lower gastrointestinal ...
Tian Jun Zhang - - 2012
Orbital haemangiopericytoma (HPC) is a rare tumor with great histological variability and unpredictable clinical and biological behavior. The precise cell type origin is uncertain. A case report is provided. A 24-year-old male patient visited an ophthalmologist because of proptosis, strabismus, and movement limitation of the right eye one year ago. ...
Lotocka Barbara - - 2012
In this review, the anatomy of indeterminate legume root nodule is briefly summarized. Next, the indeterminate nodule meristem activity, organization and cell ultrastructure are described in species with a distinct nodule meristem zonation. Finally, the putative primary endogenous factors controlling nodule meristem maintenance are discussed in the context of the ...
Joshi Shivam - - 2012
Primary lymphoma of the spermatic cord is rare. We report a case of primary lymphoma of the spermatic cord and review the literature. A 77-year-old man presented with a 5 month history of an enlarging right inguino-scrotal mass. On physical exam, the mass involved the spermatic cord. Computerized tomography and ...
Walczak Dominik A - - 2012
Abstract Schwannomas are benign tumors derived from glial cells of peripheral nerve sheaths. They usually occur in association with Von Recklinghausen's disease and most commonly are observed on the head, neck, and upper extremities. Rare morphological variants may be misinterpreted as a malignancy under microscopic examination. The study presented a ...
Wakabayashi Yusuke - - 2012
Superficial acral fibromyxoma (SAF) is a rare, distinctive, benign soft tissue tumor with a predilection for the hands and feet, first described by Fetsch et al. in 2001. Histologically, SAF tumors are unencapsulated, mostly located in the dermis or subcutis, and composed of spindled and stellate-shaped cells with random, loose ...
Lee Jae-Wook JW Department of Otolaryngology-Head & Neck Surgery, Dankook University College of Medicine, Cheonan, - - 2012
A 45-year-old female patient visited the clinic due to ear fullness. A 8 mm sized mass was found in the external auditory canal. It was surgically removed and the pathology exam confirmed epithelial-myoepithelial carcinoma (EMC). EMC is glandular epithelial neoplasm of the salivary gland. EMC originating from the external auditory ...
Mei Bo - - 2012
Mesenchymal chondrosarcoma, a rare malignant tumor, was predominantly occurring in the bone and may involve somatic soft tissue but it is extremely rare in the lung.We report the case of a 20-year-old female who presented with a 2-month history of irritant nonproductive cough and chest pain. The histopathologic examination revealed ...
Bautista-Quach Marnelli A - - 2012
Mast cell diseases comprise a spectrum of disorders including cutaneous mastocytosis, indolent or aggressive systemic variants including leukemia, and unifocal tumor formations such as benign extracutaneous mastocytoma or aggressive mast cell sarcoma (MCS). Many mast cell diseases are associated with aberrancy of c-KIT proto-oncogene resulting in tyrosine kinase activity, typically ...
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