Journal ArticleAm J Surg Pathol · June 2014
We report the third case of a renal cell carcinoma bearing a fusion of the vinculin (VCL) and anaplastic lymphoma kinase (ALK) genes. Like the 2 other reported cases, this neoplasm occurred in a young patient (6 y old) with sickle-cell trait and demonstrat ...
Full textLink to itemCite
Journal ArticleAm J Surg Pathol · September 2013
The term "spindle cell liposarcoma" has been applied to liposarcomas (LPSs) composed predominantly or exclusively of spindled cells. These tumors have been considered variants of well-differentiated LPS (WDL), myxoid LPS, and spindle cell lipoma, suggestin ...
Full textLink to itemCite
Journal ArticleSurgical Pathology Clinics · March 1, 2012
The most commonly diagnosed tumor in the skeleton represents metastatic disease. Metastatic carcinoma should be the first consideration in older patients with atypical radiologic findings or clinical features suggestive of a bone lesion. The primary goal i ...
Full textCite
Journal ArticleInt J Radiat Oncol Biol Phys · February 1, 2012
PURPOSE: To examine the influence of anatomic location in the upper extremity (UE) vs. lower extremity (LE) on the presentation and outcomes of adult soft tissue sarcomas (STS). METHODS AND MATERIALS: From 2001 to 2008, 118 patients underwent limb-sparing ...
Full textLink to itemCite
Journal ArticleSurgical Pathology Clinics · September 1, 2011
Epithelioid variants have been described for most mesenchymal tumors, including leiomyosarcoma, pleomorphic liposarcoma, epithelioid fibrous histiocytoma, and myxofibrosarcoma. Soft tissue tumors that commonly show epithelioid morphology include epithelioi ...
Full textCite
Journal ArticleAm J Surg Pathol · January 2011
Cutaneous angiosarcomas are rare tumors, which predominantly arise in the sun-exposed skin of the head and neck of adult and elderly patients. Rarely, these tumors can be seen in children. We identified cutaneous angiosarcomas in 10 children and assessed c ...
Full textLink to itemCite
Journal ArticleOncogene · September 24, 2009
The development of pulmonary metastasis is the major cause of death in osteosarcoma, and its molecular basis is poorly understood. In this study, we show that beta4 integrin is highly expressed in human osteosarcoma cell lines and tumor samples. Furthermor ...
Full textLink to itemCite
Journal ArticleAm J Surg Pathol · February 2009
Angiosarcomas are rare tumors that predominantly affect adult and elderly patients and pursue an aggressive clinical course with high mortality. Although angiosarcomas are well described in a variety of clinical settings, they have been incompletely charac ...
Full textLink to itemCite
Journal ArticleInt J Surg Pathol · July 2008
Aggressive (epithelioid) osteoblastoma arising in soft tissue has never been described. It is important to differentiate this benign osteoblastoma, a potentially locally aggressive tumor, from extraskeletal osteosarcoma. This report describes an aggressive ...
Full textLink to itemCite
Journal ArticleAm J Surg Pathol · June 2008
We report the clinicopathologic study of 32 cases of atypical vascular lesions (AVLs) after surgery and radiation of the breast, which were referred to us in consultation over a 17-year period. The patients, all women, ranged in age from 41 to 95 years (me ...
Full textLink to itemCite
Journal ArticleAm J Surg Pathol · June 2008
Epithelioid hemangioendothelioma (EHE) of soft tissue is a distinctive vascular tumor that has been variously considered a tumor of borderline malignancy and low-grade angiosarcoma. The majority of cases are associated with low mortality, but some metastas ...
Full textLink to itemCite
Journal ArticleHum Pathol · April 2008
Epstein-Barr virus (EBV) is a ubiquitous human pathogen that usually maintains a harmonious relationship with its host. Rarely, this host-virus balance is perturbed, causing a diverse group of malignancies in both immunocompetent and immunosuppressed patie ...
Full textLink to itemCite
Journal ArticleAm J Surg Pathol · January 2008
Angiosarcomas have traditionally been considered high-grade lesions for which histologic features and grading have played no role in prognostication and, consequently, they have been excluded from the American Joint Committee on Cancer staging system. We h ...
Full textLink to itemCite
Journal ArticleArch Pathol Lab Med · June 2007
CONTEXT: Sarcomatous transformation is a rare complication of Paget disease of bone. Prognosis in patients with other types of sarcomas arising in bone has improved in the last several decades because of therapeutic advances. However, because of the rarity ...
Full textLink to itemCite
Journal ArticleArch Pathol Lab Med · February 2007
CONTEXT: Epithelioid and epithelial neoplasms seen in bone are rare and include epithelioid variants of vascular lesions, osteoblastoma, osteosarcoma, chordoma, and chondroblastoma as well as adamantinoma and metastatic carcinoma. OBJECTIVE: To provide an ...
Full textLink to itemCite
Journal ArticleJ Clin Pathol · November 2006
Alveolar soft-part sarcoma (ASPS) is a rare, distinctive sarcoma, typically occurring in young patients. Although it displays a relatively indolent clinical course, the ultimate prognosis is poor and is often characterised by late metastases. Recently, our ...
Full textLink to itemCite
Journal ArticleAm J Surg Pathol · January 2006
Epstein-Barr virus-associated smooth muscle tumors (EBV-SMT) are rare lesions that occur in immunocompromised patients. Because they have not been fully characterized pathologically or at the molecular level, we have studied 29 tumors from 19 patients, the ...
Full textLink to itemCite
Journal ArticleCancer · January 1, 2006
BACKGROUND: Early experiments using ligand-binding assays demonstrated the presence of estrogen receptor (ER) in fibromatoses. These findings were not confirmed by later studies using immunohistochemical analysis. METHODS: To verify the expression of ERs i ...
Full textLink to itemCite
Journal ArticleHistopathology · January 2006
By identifying patients at greatest risk for distant metastasis and, hence, most likely to benefit from adjuvant therapy, the grading of sarcomas has been one of the most important contributions pathologists have made to the treatment of sarcomas. Over the ...
Full textLink to itemCite
Journal ArticleCancer Lett · November 8, 2005
While most osteosarcoma patients have metastatic or micrometastatic lesions, less than 15% of them have clinically detectable metastatic diseases at presentation. To identify potential markers that may predict osteosarcoma metastasis, we analyzed the expre ...
Full textLink to itemCite
Journal ArticleAm J Surg Pathol · December 2004
We are reporting a previously undescribed primary dermal melanocytic tumor identified by reviewing all dermal melanocytic tumors referred in consultation that did not qualify histologically as a previously described entity. From these cases, 8 were remarka ...
Full textLink to itemCite
Journal ArticleMod Pathol · November 2004
The importance of estrogen in vascular neoplasia is suggested by a predilection for women and a tendency for rapid growth during pregnancy. Although early experiments using radioligand assays demonstrated estrogen receptor (ER) expression, these findings w ...
Full textLink to itemCite
Journal ArticleGene Ther · September 2004
Efficacious bone regeneration could revolutionize the clinical management of bone and musculoskeletal disorders. Although several bone morphogenetic proteins (BMPs) (mostly BMP-2 and BMP-7) have been shown to induce bone formation, it is unclear whether th ...
Full textLink to itemCite
Journal ArticleAm J Surg Pathol · February 2004
Leiomyosarcoma of kidney is a rare lesion for which limited data are available. Cases coded as leiomyosarcoma of the kidney from three institutions were reviewed. These cases comprised 3 men and 7 women, 40 to 75 years of age. Immunohistochemistry was perf ...
Full textLink to itemCite
Journal ArticleCancer · August 15, 2003
BACKGROUND: The results of a recent study demonstrated an association between myoid differentiation and an adverse prognosis in adult patients with pleomorphic sarcoma, as determined by 5-year metastasis-free survival rates. METHODS: To confirm the importa ...
Full textLink to itemCite
Journal ArticleInt J Cancer · December 1, 2002
The molecular events that precede the development of osteosarcoma, the most common primary malignancy of bone, are unclear, and concurrent molecular and genetic alterations associated with its pathogenesis have yet to be identified. Recent studies suggest ...
Full textLink to itemCite
Journal ArticleJ Biol Chem · October 8, 1999
The sulfurylase domain of the mouse bifunctional enzyme ATP sulfurylase/adenosine 5'-phosphosulfate (APS) kinase contains HXXH and PP-loop motifs. To elucidate the functional importance of these motifs and of conserved arginines and histidines, chemical mo ...
Full textLink to itemCite
Journal ArticleJ Biol Chem · April 16, 1999
Murine adenosine 3'-phosphate 5'-phosphosulfate (PAPS) synthetase consists of a COOH-terminal ATP-sulfurylase domain covalently linked through a nonhomologous intervening sequence to an NH2-terminal adenosine 5'-phosphosulfate (APS) kinase domain forming a ...
Full textLink to itemCite
Journal ArticleProc Natl Acad Sci U S A · July 21, 1998
Sulfation is critical to the function of a wide variety of biomolecules. This common modification requires the enzymatic synthesis of an activated sulfate donor, phosphoadenosine-phosphosulfate (PAPS). In higher organisms PAPS synthesis is catalyzed by a b ...
Full textLink to itemCite
Journal ArticleJ Biol Chem · April 17, 1998
The P-loop is a common motif found in ATP- and GTP-binding proteins. The recently cloned murine ATP-sulfurylase/adenosine 5'-phosphosulfate (APS) kinase contains a P-loop (residues 59-66) in the APS kinase portion of the bifunctional protein. A series of e ...
Full textLink to itemCite
Journal ArticleChem Biol Interact · February 20, 1998
Extensive studies on the mammalian sulfate-activating enzymes and PAPS translocase have enhanced our understanding of the overall pathway of sulfate activation and utilization. Isolation of the PAPS-synthesizing activities from rat chondrosarcoma and prepa ...
Full textLink to itemCite
Journal ArticleFASEB Journal · December 1, 1997
The sulfate activation pathway in higher organisms consists of a bifunrtional ATP sulfurylĂ se/APS kinasc enzyme; in contrast, lower organisms have each activity on a separate polypeptide. ATP sulfurylase/ APS kinase isolated from rat chondrosarcoma has als ...
Cite
Journal ArticleJ Biol Chem · December 8, 1995
Biosynthesis of the activated sulfate donor, adenosine 3'-phosphate 5'-phosphosulfate, involves the sequential action of two enzyme activities: ATP sulfurylase, which catalyzes the formation of adenosine 5'-phosphosulfate (APS) from ATP and free sulfate, a ...
Full textLink to itemCite