Primary tracheal neurilemoma: report of a case with ultrastructural examination.

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：:Stereotactically directed needle biopsy of central nervous system lesions is a widely used diagnostic procedure with low morbidity and mortality. Diagnostic tissue is obtained in most instances. As a part of the College of American Pathologists Practical Topics in Neuropathology series, the following report summarizes...

journal_title：Archives of pathology & laboratory medicine

authors： Burger PC,Nelson JS

更新日期：1997-05-01 00:00:00

abstract：:An endobronchial papillary tumor in a 75-year-old reformed cigarette smoker exhibited the light microscopic features of a transitional cell neoplasm. The constituent cells showed cytologic features of malignancy; in addition, there were microfoci of mucosal invasion. Electron microscopy showed tonofilaments and numero...

journal_title：Archives of pathology & laboratory medicine

authors： Smith PS,McClure J

更新日期：1982-10-01 00:00:00

abstract：CONTEXT:Flow cytometric immunophenotyping is a useful ancillary tool in the diagnosis and subclassification of acute myeloid leukemias (AMLs). A recent study concluded that CD64 is sensitive and specific for distinguishing AMLs with a monocytic component (ie, AML M4 and AML M5) from other AML subtypes. However, in that...

journal_title：Archives of pathology & laboratory medicine

authors： Dunphy CH,Tang W

更新日期：2007-05-01 00:00:00

abstract：:The epidermal growth factor receptor (EGFr) is a membrane-bound glycoprotein that is present in a wide variety of human normal and malignant tissues. In this study EGFr expression in frozen sections of prostate tissue obtained from 40 different surgical specimens was examined immunohistochemically with a well-characte...

journal_title：Archives of pathology & laboratory medicine

authors： Maygarden SJ,Strom S,Ware JL

更新日期：1992-03-01 00:00:00

abstract：CONTEXT.—:Nodal metastasis of a primary tumor influences therapy decisions for a variety of cancers. Histologic identification of tumor cells in lymph nodes can be laborious and error-prone, especially for small tumor foci. OBJECTIVE.—:To evaluate the application and clinical implementation of a state-of-the-art deep ...

journal_title：Archives of pathology & laboratory medicine

authors： Liu Y,Kohlberger T,Norouzi M,Dahl GE,Smith JL,Mohtashamian A,Olson N,Peng LH,Hipp JD,Stumpe MC

更新日期：2019-07-01 00:00:00

abstract：CONTEXT:Automated cell counters use alerts (flags) to indicate which differential white blood cell counts can be released directly from the instrument and which samples require labor-intensive slide reviews. The thresholds at which many of these flags are triggered can be adjusted by individual laboratories. Many users...

journal_title：Archives of pathology & laboratory medicine

authors： Sireci A,Schlaberg R,Kratz A

更新日期：2010-10-01 00:00:00

abstract：:Hibernomas are rare neoplasms composed of brown adipose tissue. The behavior of these neoplasms has been described as uniformly benign in humans. The only recurrence cited in the English literature involved a sarcoma with hibernoma-like features, which was reported in abstract form. We present 2 cases of hibernoma, on...

journal_title：Archives of pathology & laboratory medicine

authors： Lele SM,Chundru S,Chaljub G,Adegboyega P,Haque AK

更新日期：2002-08-01 00:00:00

abstract：CONTEXT:Hemolyzed specimens delay clinical laboratory results, proliferate unnecessary testing, complicate physician decisions, injure patients indirectly, and increase health care costs. OBJECTIVE:To determine quality improvement practices when hemolysis occurs. DESIGN:We used the College of American Pathologists (C...

journal_title：Archives of pathology & laboratory medicine

authors： Howanitz PJ,Lehman CM,Jones BA,Meier FA,Horowitz GL

更新日期：2015-07-01 00:00:00

abstract：OBJECTIVE:The pathogenesis of appendicitis remains poorly understood. However, there is increasing evidence of involvement of the enteric nervous system in immune regulation and in inflammatory responses. This study was set up to characterize the status of the enteric nervous system in normal and in inflamed appendixes...

journal_title：Archives of pathology & laboratory medicine

authors： Xiong S,Puri P,Nemeth L,O'Briain DS,Reen DJ

更新日期：2000-10-01 00:00:00

abstract：:A review was made of the clinical histories, treatment, and renal histologic features of 12 patients with anti-glomerular basement membrane antibody-induced glomerulonephritis (anti-GBM disease). Two patients had milder histopathologic changes in their kidney biopsy specimens and achieved clinical remission. The other...

journal_title：Archives of pathology & laboratory medicine

authors： Stave GM,Croker BP

更新日期：1984-09-01 00:00:00

abstract：:The clinical and pathologic features of a case of postoperative spindle-cell nodule within the endometrium are reported, a lesion hitherto undescribed in this site. The nodule was found in the hysterectomy specimen from a 75-year-old woman, 2 1/2 weeks after a dilatation and curettage had revealed a well-differentiate...

journal_title：Archives of pathology & laboratory medicine

authors： Clement PB

更新日期：1988-05-01 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：:A 35-year-old man with hematuria had a polypoid bladder lesion, which on microscopic examination was a fibroepithelial polyp containing numerous stromal cells with atypical, hyperchromatic nuclei. The polyp resembled those encountered in the lower female genital tract and other sites and must be distinguished from sar...

journal_title：Archives of pathology & laboratory medicine

authors： Young RH

更新日期：1986-03-01 00:00:00

abstract：:Context.-We investigated expression of the adhesion molecule CD31 in sinus histiocytosis with massive lymphadenopathy (SHML) and Langerhans cell histiocytosis (LCH) because (1) SHML and LCH cells express a variety of cellular adhesion molecules and (2) SHML has been characterized as a reactive histiocytic proliferatio...

journal_title：Archives of pathology & laboratory medicine

authors： Slone SP,Fleming DR,Buchino JJ

更新日期：2003-03-01 00:00:00

abstract：:The usual gross appearance of a renal oncocytoma is that of a well-circumscribed homogeneous tan-brown tumor with no evidence of necrosis or hemorrhage, but with a central fibrous scar. We describe a case of renal oncocytoma with the unusual gross appearance of a cystic tumor. While cystic change has occasionally been...

journal_title：Archives of pathology & laboratory medicine

authors： Ogden BW,Beckman EN,Rodriguez FH Jr

更新日期：1987-05-01 00:00:00

abstract：CONTEXT:Recent randomized controlled trials have shown a significant decrease in unsatisfactory rates for liquid-based cytology (LBC) compared with conventional Papanicolaou test (CP). The underlying causes and relevance of unsatisfactory results for LBC and CP have never been compared within the setting of a randomize...

journal_title：Archives of pathology & laboratory medicine

authors： Siebers AG,Klinkhamer PJ,Vedder JE,Arbyn M,Bulten J

更新日期：2012-01-01 00:00:00

abstract：CONTEXT:Accurate specimen identification is critical for quality patient care. Improperly identified specimens can result in delayed diagnosis, additional laboratory testing, treatment of the wrong patient for the wrong disease, and severe transfusion reactions. Specimen identification errors have been reported to occu...

journal_title：Archives of pathology & laboratory medicine

authors： Wagar EA,Stankovic AK,Raab S,Nakhleh RE,Walsh MK

更新日期：2008-10-01 00:00:00

abstract：:Idiopathic nephrotic syndrome occurred in a patient with sarcoidosis. Typical features of focal segmental glomerulosclerosis were present on kidney biopsy. A unique finding was the occurrence of IgA in blood vessels of the skin and lymph node. Whereas the sarcoid hilar adenopathy responded to steroid therapy, the neph...

journal_title：Archives of pathology & laboratory medicine

authors： Lee SM,Michael AF

更新日期：1978-11-01 00:00:00

abstract：:Accurate diagnosis of salivary gland tumors can be challenging because of the many diagnostic entities, the sometimes extensive morphologic overlap, and the rarity of most tumor types. Ancillary testing is beginning to ameliorate some of these challenges through access to newer immunohistochemical stains and fluoresce...

journal_title：Archives of pathology & laboratory medicine

authors： Griffith CC,Schmitt AC,Little JL,Magliocca KR

更新日期：2017-03-01 00:00:00

abstract：:A spectrum of changes that range from crypt basophilia through varying degrees of dysplasia and carcinoma in situ have been observed in the flat, nonraised mucosa of the rectum in patient who received pelvic irradiation for carcinoma of the cervix. This case demonstrates (1) the morphological evidence of the relations...

journal_title：Archives of pathology & laboratory medicine

authors： Shamsuddin AK,Elias EG

更新日期：1981-03-01 00:00:00

abstract：:Renal solitary fibrous tumors (SFTs) have been reported infrequently. We report a 76-year-old man with a left renal mass that had previously been shown radiographically to be stable, but was now growing. Grossly, the mass measured 12 cm, was poorly circumscribed, and invaded beyond the renal capsule. Approximately 10%...

journal_title：Archives of pathology & laboratory medicine

authors： Fine SW,McCarthy DM,Chan TY,Epstein JI,Argani P

更新日期：2006-06-01 00:00:00

abstract：:Langerhans cell histiocytosis (LCH) is a neoplastic proliferation of Langerhans cells that occurs in a range of nodal and extranodal sites. Scattered reports of LCH within the thymus exist, typically among children within the setting of multifocal, multisystem disease. Rare cases of isolated LCH involving the thymus h...

journal_title：Archives of pathology & laboratory medicine

authors： Lee BH,George S,Kutok JL

更新日期：2003-07-01 00:00:00

abstract：CONTEXT.—:Atypical ductal hyperplasia (ADH) is a challenging diagnosis defined by cytologic and architectural features that carries an increased risk of subsequent carcinoma when diagnosed in isolation. In addition, ADH may secondarily involve benign breast lesions, wherein it carries variable clinical significance. O...

journal_title：Archives of pathology & laboratory medicine

authors： East EG,Carter CS,Kleer CG

更新日期：2018-10-01 00:00:00

abstract：:Myocardial lesions were seen in dogs subjected to experimental hemorrhagic shock. In contrast, dogs that had been previously surgically treated by cardiac denervation and adrenalectomy, showed less myocardial damage. The latter group also had a substantially decreased myocardial I-norepinephrine content and a much low...

journal_title：Archives of pathology & laboratory medicine

authors： Hackel DB,Graham TC,Mikat EM

更新日期：1980-02-01 00:00:00

abstract：:We describe unique features seen in a case of classic acoustic schwannoma. In the central portion of the tumor, abundant Rosenthal fibers and occasional eosinophilic granular bodies were present. Rosenthal fibers are homogeneous eosinophilic structures commonly seen in central nervous system lesions, such as pilocytic...

journal_title：Archives of pathology & laboratory medicine

authors： Brown DF,Rushing EJ

更新日期：1997-11-01 00:00:00

abstract：:A 25-year-old woman, multigravida, presented with a dark ulcerated tumor of the clitoris. Histologic examination demonstrated an angiokeratoma, a benign telangiectatic vascular tumor. To our knowledge, this is the first report of angiokeratoma of the clitoris and only the fifth describing vascular tumor of this organ....

journal_title：Archives of pathology & laboratory medicine

authors： McNeely TB

更新日期：1992-08-01 00:00:00

abstract：:Fourteen cases of toxoplasmosis in subjects at autopsy with acquired immunodeficiency syndrome are reviewed. Death was related to toxoplasmosis in four cases: in three from central nervous system complications and in one case from myocarditis. In six cases the infection was identified outside of the central nervous sy...

journal_title：Archives of pathology & laboratory medicine

authors： Tschirhart D,Klatt EC

更新日期：1988-12-01 00:00:00

abstract：CONTEXT:The practice of gynecologic cytology requires that high-grade squamous intraepithelial lesion (HSIL) be precisely recognized. In this regard, hyperchromatic crowded groups are known to be difficult to classify in conventional gynecologic cytology, but whether this is true in ThinPrep specimens is uncertain. OB...

journal_title：Archives of pathology & laboratory medicine

authors： Renshaw AA,Mody DR,Wang E,Haja J,Colgan TJ,Cytopathology Resource Committee, College of American Pathologists.

更新日期：2006-03-01 00:00:00

abstract：:Herein is presented a detailed description of the materials and methods employed in the conduct of an ongoing system for the independent evaluation (or testing) of individual sophomore medical students, as part of a major sophomore course in anatomic pathology. The academic environment and the advantages and disadvant...

journal_title：Archives of pathology & laboratory medicine

authors： Valdés-Dapena M

更新日期：1986-11-01 00:00:00