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Polotow, Daniele - - 2009
Toca new genus is proposed to include two new species: the type species T. bossanova new species from Rio de Janeiro, Brazil, and T. samba new species from Parana and Minas Gerais, Brazil. Toca may be related to Caloctenus Keyserling and Gephyroctenus Mello-Leitao, with which it shares the scales on ...
Larrivee, Maxim - - 2009
Acrocerid flies are endoparasitoids of spiders. New host associations are reported for Ogcodes melampus Loew 1872, O. eugonatus Loew 1872, and Acrocera sp. (Group IV; sensu Sabrosky 1944) from reared individuals of two Salticidae species, Pelegrina proterva (Walckenaer 1837) (both Ogcodes species), and Eris militaris (Hentz 1845) (the Acrocera sp.) ...
Shultz, Jeffrey - - 2009
The harvestmen Caddo agilis Banks 1892 and C. pepperella Shear 1975 (Caddidae, Caddinae) share a disjunct distribution in eastern Asia and eastern North America that has been attributed to either recent (Pleistocene) evolution of a C. pepperella morph from C. agilis in each region or to a pre-glacial separation within ...
Taylor, Robin - - 2009
We predicted that because plant nectar is high in energy, it is likely to provide multiple benefits to spiders that spend a substantial amount of energy foraging. In three laboratory experiments, we tested the effects of dietary extrafloral nectar on the survival, molting, and activity of two foliage wanderers, Cheiracanthium ...
Framenau, Volker - - 2009
The wolf spider genus Zoica Simon 1898 is currently known only from the Indo-Australasian region, including India in the west to northern Western Australia and Papua New Guinea in the east. Here we extend the known distribution of the genus into the Pacific region by describing two new species, Z. ...
Prendini, Lorenzo - - 2009
Rhopalurus abudi Armas & Marcano Fondeur 1987 was originally described on the basis of a single female specimen from Isla Saona, La Romana Province, off the southeast coast of the Dominican Republic. The species is redescribed here based on a series of new specimens including 19 adult males and 14 ...
Harms, Danilo - - 2009
A new pirate spider (family Mimetidae) is described as Australomimetus mendax new species from Tasmania, Australia. In this context, all mimetid species currently known from the island have been reviewed and re-illustrated. Five species are recorded and they all belong to the genus Australomimetus Heimer 1986. Re-illustrated here are Australomimetus ...
Siliwal, Manju - - 2009
The genus Diplothele O. Pickard-Cambridge 1890 of the brush-footed spider family Barychelidae is represented in India by a single species, D. walshi O. Pickard-Cambridge 1890. In this paper, we describe two new species: Diplothele gravelyi from Angul and Diplothele tenebrosus from Ganjam, Orissa. We establish a neotype and provide additional ...
Valdez-Mondragon, Alejandro - - 2009
Two new species of the spider genus Ochyrocera Simon 1891 are described from Mexico. Ochyrocera juquila new species was collected under moist rotten logs and hollow trunks on a thick bed of pine needles in oak-pine forests located in a mountain range south of the city of Oaxaca at 1400-2700 ...
Hofer, Hubert - - 2009
We sampled 505 specimens of 7 arachnid orders (313 Araneae, 65 Opiliones, 111 Pseudoscorpiones, 10 Ricinulei, 3 Schizomida, 1 Thelyphonida, 2 Scorpiones) in natural forest and agroforestry sites in central Amazonia to analyze fresh and dry mass to body length relations. The low number of schizomids, scorpions, and thelyphonids did ...
Catenazzi, Alessandro - - 2009
Two species of Chinchippus (Ammotrechidae) were studied in central Peru. Both species are endemic to the hyper-arid coastal desert and appear to derive most of their energy and nutrients from maritime prey, such as intertidal amphipods feeding on beach-cast algae or as arthropod scavengers feeding upon seabird and pinniped carcasses. ...
Jones, Tappey - - 2009
Two female specimens of an undescribed species of stylocellid harvestman (Opiliones, Stylocellidae) from Sulawesi were extracted in methanol, and compounds in the product were identified by means of gas chromatography-mass spectrometry. Nineteen significant peaks were found, 12 of which were identified, indicating the presence of naphthoquinone, 2-tridecanone, 2-tetradecanone, 2-pentadecanone, 6-methyl-1,4-naphthoquinone, ...
Chatzaki, Maria - - 2009
The harvestman fauna was studied along an altitudinal gradient on the southern slope of Lefka Ori Mountains, Crete, Greece for one year. Four sampling areas were defined at 800, 1200, 1600, and 2000 m elevation and they were sampled with pitfall traps that were emptied at monthly intervals. In total, ...
Aisenberg, Anita - - 2009
Environments where prey availability is scarce or highly variable have been reported as potential settings for the occurrence of paternal investment and sex-role reversal (choosy males and competitive, courting females). Allocosa brasiliensis (Petrunkevitch 1910) and Allocosa alticeps (Mello-Leitao 1944) are two sand-dwelling wolf spiders that construct burrows along the Uruguayan ...
Nazareth, Tais - - 2009
In this paper, we investigate the reproductive behavior of the gonyleptid Chavesincola inexpectabilis Soares & Soares 1946 (Heteropachylinae) and provide basic descriptive information about courtship, copulation, oviposition, and paternal care. Like most gonyleptids, males of C. inexpectabilis have a strong armature on the fourth pair of legs and use their ...
Keylock, Joren - - 2009
* We present a brief review of sclerosing hemangioma, an uncommon but histologically distinctive neoplasm of the lung. Based on immunohistochemical and molecular findings, sclerosing hemangioma is thought to be derived from incompletely differentiated respiratory epithelium. Sclerosing hemangiomas typically present as asymptomatic, peripheral, solitary, well-circumscribed lesions in women with a ...
Armah, Henry - - 2009
Epithelioid sarcomas are rare, mesenchymal tumors of unknown histogenesis and display multidirectional differentiation, which is predominantly epithelial. They have no normal cellular counterpart and differ from both synovial sarcoma and carcinoma. They account for less than 1% of all soft tissue sarcomas and are usually slow growing, with peak incidence ...
Gupta, Ruta - - 2009
We describe a case of a paratesticular paraganglioma in a 33-year-old man who presented with a scrotal mass and underwent a right testicular exploration. Metastasis is the only definite criterion for diagnosis of a malignant paraganglioma; however, lymphovascular invasion was noted in this case, which warranted a close clinical surveillance.The ...
Oesterhelweg, Lars - - 2009
Context.--Death from corpora aliena in the larynx is a well-known entity in forensic pathology. The correct diagnosis of this cause of death is difficult without an autopsy, and misdiagnoses by external examination alone are common.
Schuetze, David - - 2009
Context.--Cribriform-morular variant of papillary thyroid carcinoma (CMVPTC) is one of the rare types of papillary carcinoma. It has been associated with familial adenomatous polyposis, though it can also occur sporadically. The molecular pathogenesis of this tumor is incompletely understood. It appears that there can be molecular contributions from the RET/PTC ...
Soor, Gursharan - - 2009
Context.--From January 1995 to June 2003, there were 514 patients who underwent pulmonary valve replacements at either the Hospital for Sick Children or Toronto General Hospital. Fifty-four (10.5%) of these adults returned for replacement of their prostheses because of failure. Forty (74.1%) of the 54 explants were bioprostheses, and 14 ...
Tamas, Ecaterina - - 2009
Context.--Bladder diverticula often come to clinical attention when complications or malignancy occur, although limited information is available regarding histopathologic features and clinical outcomes.
Raparia, Kirtee - - 2009
Context.--Fine-needle aspiration (FNA) is recommended as an initial screening tool for the diagnosis of thyroid nodules. Approximately 10% of thyroid FNA diagnoses are "suspicious for neoplasm," warranting surgical resection.
Shen, Steven - - 2009
Context.--Nodal metastasis is one of the most important prognostic factors in colorectal carcinoma. The number of lymph nodes recovered and examined in resection specimens has been recently shown to be critical for proper staging and is associated with survival.
Middleton, Lavinia - - 2009
Context.--The American Society of Clinical Oncology/ College of American Pathologists (ASCO/CAP) guideline recommendations from January 2007 identified many sources of immunohistochemistry (IHC) testing variation.
Boldorini, Renzo - - 2009
Context.--BK virus strains or regulatory region sequence variations may play a role in the pathogenesis of polyomavirus-associated nephropathy (PVAN), although no definite relationship has yet been demonstrated.
Garcia, Christine - - 2009
Context.--The complexities of diagnostic hematopathology in the modern era are well known, and even in this molecular era, immunophenotypic studies, together with routine histopathology, remain a critical component in the evaluation of many lymphoid proliferations. With numerous antibodies that can be used on routinely fixed, paraffin-embedded tissue sections, immunohistochemistry has ...
Jennings, Lawrence - - 2009
* Context. -- The use of DNA- and RNA-based tests continues to grow for applications as varied as inherited disease, infectious disease, cancer, identity testing, human leukocyte antigen typing, and pharmacogenetics. Progress is driven in part by the huge growth in knowledge about the molecular basis of disease coupled with ...
Lin, Oscar - - 2009
Context. -- The presence of malignant cells in peritoneal washings leads to classification as International Federation of Gynecology and Obstetrics stage IC or higher in ovarian carcinomas and at least International Federa Gynecology and Obstetrics stage IIIA in endometrial carcinomas. Unfortunately, the morphologic examination of cytologic specimens has not proven ...
Park, Kay - - 2009
Context. -- The correct diagnosis and reporting of cervical in situ and invasive carcinoma are essential for the appropriate clinical management of patients with human papillomavirus-associated disease.
Murray, Melissa - - 2009
Context. -- The pathologist evaluating breast biopsy specimens sometimes encounters nonneoplastic alterations of the mammary epithelium that raise the differential diagnosis of atypia. Because the identification of atypical ductal hyperplasia of the breast has significant clinical implications, it is important to correctly recognize its nonneoplastic morphologic mimics.
Giri, Dilip - - 2009
Context. -- The morphologic spectrum of mammary fibroepithelial lesions ranges from fibroadenoma, a common benign neoplasm, to phyllodes tumor, an uncommon lesion that can sometimes recur and metastasize.
Wenig, Bruce - - 2009
Context.--The most commonly encountered malignant neoplasms of the sinonasal tract are the keratinizing and nonkeratinizing types of squamous cell carcinoma. However, this complex anatomic region may represent the site of aggressive, non-squamous cell epithelial and nonepithelial malignant neoplasms of varying histogenesis, which are grouped under the term undifferentiated malignant neoplasms. ...
Carlson, Diane - - 2009
Context.--Necrotizing sialometaplasia is a benign, self-limited lesion of both major and minor salivary glands, although more commonly the latter. It can represent a diagnostic dilemma and may be mistaken for a malignant neoplasm, such as mucoepidermoid carcinoma, as well as invasive squamous cell carcinoma. A major causal relationship has been ...
Ghossein, Ronald - - 2009
Context.--Despite past and recent efforts, many problems and controversies remain in the classification of thyroid carcinomas of follicular cell origin. These controversies have an impact on the prognosis and therapy of patients with thyroid carcinoma as well as on the development of robust cutting-edge research aimed at better outcome and ...
- - 2009
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