abstract：:Microcystic transitional cell carcinoma is a rare variant of urothelial carcinoma; to date, it has been described only in the urinary bladder. We report 2 cases of microcystic transitional cell carcinoma arising in the renal pelvis. The first case occurred in a 73-year-old man with a history of superficially invasive ...

journal_title：Archives of pathology & laboratory medicine

authors： Leroy X,Leteurtre E,De La Taille A,Augusto D,Biserte J,Gosselin B

更新日期：2002-07-01 00:00:00

abstract：CONTEXT:Placentas are routinely examined by surgical pathologists, but peer review of placental diagnosis is rarely performed. OBJECTIVE:To determine the frequency of discrepant placental diagnosis between general surgical pathologists and a pediatric pathologist. DESIGN:One hundred fourteen placentas from infants wi...

journal_title：Archives of pathology & laboratory medicine

authors： Sun CC,Revell VO,Belli AJ,Viscardi RM

更新日期：2002-06-01 00:00:00

abstract：:A 42-year-old man with acquired immunodeficiency syndrome developed a mass of the right parotid gland and multiple hepatic masses. Hematoxylin-eosin-stained sections of the parotid lesion showed a diffuse infiltrate of large mononuclear cells with vesicular nuclei and prominent nucleoli, consistent with a non-Hodgkin ...

journal_title：Archives of pathology & laboratory medicine

authors： Cornfield DB,Papiez JS,Lynch JT,Rimsza LM

更新日期：2002-06-01 00:00:00

abstract：CONTEXT:The diagnosis of prostate adenocarcinoma in needle core biopsy specimens is based on multiple diagnostic criteria and supportive features, most of which have been defined mainly from observations in transurethral resection and prostatectomy specimens. There is little information on the frequency with which diag...

journal_title：Archives of pathology & laboratory medicine

authors： Varma M,Lee MW,Tamboli P,Zarbo RJ,Jimenez RE,Salles PG,Amin MB

更新日期：2002-05-01 00:00:00

abstract：:A number of classes of endogenous antibodies, including heterophile, rheumatoid factor, and autoantibodies, can interfere with immunoassay measurements of many different analytes. Heterophile and rheumatoid factor antibody interferences have been described previously for the AxSYM cardiac troponin I assay. Several com...

journal_title：Archives of pathology & laboratory medicine

authors： Knoblock RJ,Lehman CM,Smith RA,Apple FS,Roberts WL

更新日期：2002-05-01 00:00:00

abstract：CONTEXT:Elevated cardiac troponin levels have been reported to identify unstable angina patients at high risk. OBJECTIVE:To examine the relation of cardiac troponin I (cTnI) and cardiac troponin T (cTnT) levels to findings of coronary angiography in these patients. METHODS:Samples for troponin estimation were taken e...

journal_title：Archives of pathology & laboratory medicine

authors： Panteghini M,Cuccia C,Pagani F,Turla C,Bonetti G,Bonini E

更新日期：2002-04-01 00:00:00

abstract：:Congenital syphilis remains a public health concern in the United States. Infants whose mothers are treated in the third trimester without adequate prenatal care have an increased risk of morbidity and mortality in the immediate perinatal period. The identification of Treponema pallidum in tissue is definitive confirm...

journal_title：Archives of pathology & laboratory medicine

authors： Bell C,Taxy J

更新日期：2002-04-01 00:00:00

abstract：:The human lymphocyte antigen (HLA) typing community was one of the early groups to adopt molecular testing. This action was borne out of the need to identify the many alleles of the highly polymorphic HLA system. Early paradigms used restriction fragment length polymorphism regimes, but the polymerase chain reaction m...

journal_title：Archives of pathology & laboratory medicine

authors： Gerlach JA

更新日期：2002-03-01 00:00:00

abstract：OBJECTIVE:To delineate changes that occur in various parameters of automated complete blood cell count (CBC) and differential leukocyte count (differential) on prolonged storage of blood at room temperature. DESIGN:A CBC and an automated differential were performed on the Coulter Gen.S on 40 K(3) (tripotassium ethylen...

journal_title：Archives of pathology & laboratory medicine

authors： Gulati GL,Hyland LJ,Kocher W,Schwarting R

更新日期：2002-03-01 00:00:00

abstract：BACKGROUND AND OBJECTIVE:Hemorrhagic endovasculitis (HEV) is a vasodisruptive alteration of fetal-placental blood vessels that has been associated with perinatal morbidity and mortality and abnormalities of growth and development. Clinicopathologic conditions that are often identified in pregnancies with HEV-affected p...

journal_title：Archives of pathology & laboratory medicine

authors： Sander CM,Gilliland D,Akers C,McGrath A,Bismar TA,Swart-Hills LA

更新日期：2002-02-01 00:00:00

abstract：:We describe an infarcted mass in the testis containing "ghost" cells suspicious for neoplasm. The entire lesion was necrotic. A Masson trichrome stain greatly improved nuclear and cytologic detail, confirming the suspicion of neoplasm. Placental alkaline phosphatase revealed specific membrane staining of the neoplasti...

journal_title：Archives of pathology & laboratory medicine

authors： Florentine BD,Roscher AA,Garrett J,Warner NE

更新日期：2002-02-01 00:00:00

abstract：:We describe a young patient with no known family history of cancer who presented at 18 months with 2 advanced primary tumors, choroid plexus carcinoma and adrenal cortical carcinoma. Immunohistochemical studies demonstrated high levels of nuclear p53 protein expression in both tumors, as well as in the adjacent normal...

journal_title：Archives of pathology & laboratory medicine

authors： Wang L,Cornford ME

更新日期：2002-01-01 00:00:00

abstract：CONTEXT:The availability of effective antiviral therapy for hepatitis C has increased the need for molecular detection and quantification of circulating hepatitis C viral particles. The limits of detection differ for the quantitative and qualitative reverse transcriptase polymerase chain reaction (RT-PCR) assays; furth...

journal_title：Archives of pathology & laboratory medicine

authors： Kukuczka S,Grosso LE

更新日期：2002-01-01 00:00:00

abstract：CONTEXT:Diffuse pulmonary hemorrhage is an uncommon presenting manifestation of angiosarcoma. OBJECTIVE:To review the clinical, radiologic, and pathologic findings of patients with metastatic angiosarcoma who presented with diffuse pulmonary hemorrhage. DESIGN:Patients fulfilling inclusion criteria were identified fr...

journal_title：Archives of pathology & laboratory medicine

authors： Adem C,Aubry MC,Tazelaar HD,Myers JL

更新日期：2001-12-01 00:00:00

abstract：:Choriocarcinoma is a rapidly invasive, widely metastatic human chorionic gonadotropin (HCG)-producing neoplasm, usually intrauterine and gestational. Primary gastric choriocarcinoma is very rare, and its pathogenesis is still uncertain. We report a case of primary gastric choriocarcinoma associated with adenocarcinoma...

journal_title：Archives of pathology & laboratory medicine

authors： Liu Z,Mira JL,Cruz-Caudillo JC

更新日期：2001-12-01 00:00:00

abstract：CONTEXT:c-kit, a proto-oncogene, encodes the transmembrane tyrosine kinase receptor CD117 and is detected by flow cytometry in the majority of cases of acute myeloid leukemia. The prognostic significance of the presence of c-Kit in acute myeloid leukemia is debated. Recently, c-kit inhibitors have been studied as possi...

journal_title：Archives of pathology & laboratory medicine

authors： Chen J,Yanuck RR 3rd,Abbondanzo SL,Chu WS,Aguilera NS

更新日期：2001-11-01 00:00:00

abstract：:Anomalous origin of 4 separate coronary ostia from a single coronary sinus has rarely been reported. We report what is to our knowledge a previously undescribed variation characterized by the left anterior descending, left ramus, left circumflex, and right coronary arteries originating from separate ostia in the right...

journal_title：Archives of pathology & laboratory medicine

authors： Beach L,Burke A,Chute D,Virmani R

更新日期：2001-11-01 00:00:00

abstract：CONTEXT:Sclerosing hemangioma of the lung is well characterized histologically, but the line of differentiation expressed by the tumor cells has been unclear. Despite the implication by its name of a vascular neoplasm, sclerosing hemangioma is considered by most authorities to be an epithelial tumor, possibly related t...

journal_title：Archives of pathology & laboratory medicine

authors： Illei PB,Rosai J,Klimstra DS

更新日期：2001-10-01 00:00:00

abstract：:Mammary carcinoma arising in ectopic breast tissue is an uncommon occurrence. Most reported cases have involved ductal carcinoma, but other types, such as medullary, papillary, and lobular carcinomas, have been described. For pathologists, the diagnosis of mammary carcinoma arising in ectopic breast tissue can be diff...

journal_title：Archives of pathology & laboratory medicine

authors： Shin SJ,Sheikh FS,Allenby PA,Rosen PP

更新日期：2001-10-01 00:00:00

abstract：BACKGROUND:A full autopsy at our institution includes removal of the eyes for pathologic examination. To our knowledge, the rate of ophthalmic findings at autopsy has not been documented previously. DESIGN:We retrospectively reviewed 277 consecutive autopsies conducted between 1995 and 1999 in which the eyes were remo...

journal_title：Archives of pathology & laboratory medicine

authors： Butnor KJ,Proia AD

更新日期：2001-09-01 00:00:00

abstract：:Second nonocular malignancies develop with increased incidence in patients with hereditary retinoblastoma. Osteosarcoma is by far the most common type with an incidence of up to 50%, followed by soft tissue sarcomas. Visceral leiomyosarcoma is extremely rare and only 2 cases have been reported in the past 2 decades, o...

journal_title：Archives of pathology & laboratory medicine

authors： Liang SX,Lakshmanan Y,Woda BA,Jiang Z

更新日期：2001-09-01 00:00:00

abstract：OBJECTIVE:Pseudosarcomatous myofibroblastic tumors (PMTs) of the urogenital tract are rare but distinctive lesions. Despite their benign behavior, they are frequently misinterpreted as leiomyosarcomas and rhabdomyosarcomas in preoperative biopsies and even in resected specimens because of their atypical spindle-cell fe...

journal_title：Archives of pathology & laboratory medicine

authors： Watanabe K,Baba K,Saito A,Hoshi N,Suzuki T

更新日期：2001-08-01 00:00:00

abstract：:We report a case of cytokeratin-positive, CD45-negative primary polymorphic centroblastic lymphoma of the adrenal gland. Additional immunostaining, which demonstrated positivity for CD20 and kappa light chain, as well as detection of the monoclonal rearrangement of the immunoglobulin heavy chain gene, helped to establ...

journal_title：Archives of pathology & laboratory medicine

authors： Donner LR,Mott FE,Tafur I

更新日期：2001-08-01 00:00:00

abstract：CONTEXT:The endometrium is an intrinsically dynamic tissue with great capability for regeneration and proliferation; consequently, there is some overlap between features seen in benign, premalignant, and malignant lesions. This leads to marked intrabiopsy, interbiopsy, and interobserver variability. OBJECTIVE:We studi...

journal_title：Archives of pathology & laboratory medicine

authors： Elhafey AS,Papadimitriou JC,El-Hakim MS,El-Said AI,Ghannam BB,Silverberg SG

更新日期：2001-07-01 00:00:00

abstract：:Papillary fibroelastomas are rare and benign cardiac tumors that typically affect the cardiac valves. To the best of our knowledge, the English literature contains only 1 case report of pulmonary valve fibroelastoma diagnosed by echocardiogram and confirmed by surgical resection. There is a paucity of pathology litera...

journal_title：Archives of pathology & laboratory medicine

authors： Saad RS,Galvis CO,Bshara W,Liddicoat J,Dabbs DJ

更新日期：2001-07-01 00:00:00

abstract：CONTEXT:We recently described a patient with chronic lymphocytic leukemia who presented with a breast carcinoma that stained positive for CD5 using a commercially available antibody (CD5-4C7, Novocastra, Newcastle upon Tyne, UK). OBJECTIVES:To study the distribution of CD5 immunoreactivity in tissue sections of a vari...

journal_title：Archives of pathology & laboratory medicine

authors： Walsh R,Peston D,Shousha S

更新日期：2001-06-01 00:00:00

abstract：:A 47-year-old man presented to the otolaryngologist with a 7-year history of a mass of the cheek. Fine-needle aspiration revealed foci of spindled cells admixed with abundant fat and myxoid material. A diagnosis of spindle cell lipoma was rendered on the resected specimen. The cytologic findings of spindle cell lipoma...

journal_title：Archives of pathology & laboratory medicine

authors： Fasig JH,Robinson RA,McCulloch TM,Fletcher MS,Miller CK

更新日期：2001-06-01 00:00:00

abstract：OBJECTIVES:To establish the rates with which reference laboratories resolve inquiries telephoned to them from primary laboratories and to identify reference laboratory practices associated with higher rates of inquiry resolution. DESIGN AND PARTICIPANTS:For 2 months, or until 50 contacts had occurred, 545 primary labo...

journal_title：Archives of pathology & laboratory medicine

authors： Dale JC,Novis DA,Meier FA

更新日期：2001-05-01 00:00:00

abstract：:Yeast forms of Blastomyces dermatitidis typically range from 8 to 20 microm in largest diameter. We report a rare case of primary pulmonary blastomycosis with an unusual morphology, in which we found significant numbers of large yeast forms ranging from 30 to 35 microm in diameter. To our knowledge, this is only the s...

journal_title：Archives of pathology & laboratory medicine

authors： Hussain Z,Martin A,Youngberg GA

更新日期：2001-05-01 00:00:00

abstract：CONTEXT:Fine-needle aspiration has become an accepted and cost-effective procedure for rapid diagnosis of thyroid lesions. The routine use of fine-needle aspiration has reduced the rate of unnecessary surgery for thyroid nodules. OBJECTIVES:To determine the accuracy of fine-needle aspiration biopsy diagnosis and to di...

journal_title：Archives of pathology & laboratory medicine

authors： Amrikachi M,Ramzy I,Rubenfeld S,Wheeler TM

更新日期：2001-04-01 00:00:00

abstract：:Herein, we report a case of cutaneous angiosarcoma in a 35-year-old, morbidly obese woman. The tumor arose in the most dependent portion of the lower abdominal panniculus and showed typical changes of chronic lymphedema. The patient underwent a radical resection of her lower abdominal wall panniculus, which showed a m...

journal_title：Archives of pathology & laboratory medicine

authors： Azam M,Saboorian H,Bieligk S,Smith T,Molberg K

更新日期：2001-04-01 00:00:00

abstract：OBJECTIVE:To assess the clinical utility of an enzyme-linked immunosorbent assay method for the quantitative detection of Candida species antigen (Candigen; Biomerica Inc, Newport Beach, Calif) in patients with suspected disseminated candidiasis. METHODS:Specimens of blood or cerebrospinal fluid from 75 patients with ...

journal_title：Archives of pathology & laboratory medicine

authors： Elsayed S,Fitzgerald V,Massey V,Hussain Z

更新日期：2001-03-01 00:00:00

abstract：:Primitive neuroectodermal tumors occur most frequently in bone and soft tissue but have been reported in other locations. Primary lung primitive neuroectodermal tumors without pleural or chest wall involvement are extremely rare. We present a case with immunohistochemical and ultrastructural studies and follow-up of t...

journal_title：Archives of pathology & laboratory medicine

authors： Kahn AG,Avagnina A,Nazar J,Elsner B

更新日期：2001-03-01 00:00:00

abstract：:The Philadelphia (Ph) chromosome [der(22) t(9;22)(q34;q11)] is the characteristic chromosomal abnormality found in chronic myelogenous leukemia (CML). This chromosome has been reported in patients with other chromosomal abnormalities. In this study, we describe a patient with hematologically typical chronic-phase CML ...

journal_title：Archives of pathology & laboratory medicine

authors： Oudat R,Khan Z,Glassman AB

更新日期：2001-03-01 00:00:00

abstract：OBJECTIVE:To study the expression of thyroid transcription factor 1 (TTF-1) and cytokeratin 20 (CK20) in pulmonary small cell carcinomas, extrapulmonary small cell carcinomas, and Merkel cell carcinomas, and thereby determine whether these markers are helpful in distinguishing these 3 groups of small cell neuroendocrin...

journal_title：Archives of pathology & laboratory medicine

authors： Cheuk W,Kwan MY,Suster S,Chan JK

更新日期：2001-02-01 00:00:00

abstract：:Primary malignant melanoma of the larynx is a rare clinical entity. Only 53 cases have been reported in the medical literature to date. This report describes a case of primary malignant melanoma arising in the larynx and diagnosed by histologic examination of an excisional biopsy specimen. The patient was a 53-year-ol...

journal_title：Archives of pathology & laboratory medicine

authors： Amin HH,Petruzzelli GJ,Husain AN,Nickoloff BJ

更新日期：2001-02-01 00:00:00

abstract：OBJECTIVE:To present recent advances in the use of molecular markers in diagnosis, in prognosis, in early detection, in novel therapies, and in understanding the molecular pathogenesis of colorectal neoplasia. DATA AND LITERATURE SOURCES:A review of studies of molecular markers in colorectal neoplasia, published in En...

journal_title：Archives of pathology & laboratory medicine

authors： Grizzle WE,Manne U,Jhala NC,Weiss HL

更新日期：2001-01-01 00:00:00

abstract：:Primary leiomyosarcoma of the pancreas is a rare tumor for which only 21 reports appear in the world literature. We describe an additional case of pancreatic leiomyosarcoma in a 76-year-old man, who complained of persistent high fever. Histologic examination revealed a pleomorphic spindle cell tumor. Reactivity for mu...

journal_title：Archives of pathology & laboratory medicine

authors： Nesi G,Pantalone D,Ragionieri I,Amorosi A

更新日期：2001-01-01 00:00:00

abstract：:Massive hepatic necrosis following exposure to phenytoin and trimethoprim-sulfamethoxazole is a rare occurrence and to the best of our knowledge has not been reported previously. Acute hepatic failure following administration of trimethoprim-sulfamethoxazole has rarely been seen, and only 4 cases have been well docume...

journal_title：Archives of pathology & laboratory medicine

authors： Ilario MJ,Ruiz JE,Axiotis CA

更新日期：2000-12-01 00:00:00

abstract：CONTEXT:Large disparities in prostate-specific antigen (PSA) results from different assays have been observed in the College of American Pathologists (CAP) Ligand Assay Survey, with interassay results varying severalfold. Survey specimens are predominately composed of free PSA and do not reflect the composition of typi...

journal_title：Archives of pathology & laboratory medicine

authors： Sokoll LJ,Witte DL,Klee GG,Chan DW

更新日期：2000-11-01 00:00:00