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Query: UMLS:C0268596 (EMA)
 2,520 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

In the study below we introduced certain conclusions from bone marrow analysis in patient with ovarian cancer in the presence of epithelial cells. The study included cytological bone marrow slides taken from 31 patients. We analyzed the cellular antigen expression using immuno-histological chemistry technic with NCL-CA 125, NCL-EMA and NCL-C11 antibodies. In the material drived from 3 patients with advanced neoplastic changes, we detected the presence of cells that were stained positively. In order to define the actual frequency of cell presence with tested antigen expression in bone marrow as well as to signify the diagnostic and prognostic value of their detection requires a larger study group as well as using other examination technics such as PCR or transluscent photometry.
Ginekol Pol 1999 Nov
PMID:[Bone marrow involvement in ovarian cancer by immunohistochemical assessment]. 1073 59

Melanoma may present a great variety of cell morphology and mimic virtually almost all other neoplasms, and metastatic lesions pose major diagnostic difficulties. A typical immunoreactive profile of melanoma is: S-100p- and HMB-45-positivity, but these markers are not always present. Other new antigens for melanoma are NKIC3 and Anti-Melan-A (MART-1). This tumor may also present expression of unspecific markers, as cytokeratin, CEA, EMA, desmin, NFP, GFAP, CD68 and actins. We present here unusual features of two metastatic melanomas, showing the anaplastic pattern, immunopositive for desmin.
Pol J Pathol 2002
PMID:Rhabdomyosarcomatous (myoblastic?) phenotype of metastatic malignant melanoma. A case report. 1214 Aug 74

This study was designed to determine whether steroid sex pheromones of the boar may affect the contractile activity of the superficial venous vessels of the nose and face in gilts, and in this way contribute to recently discovered humoral transfer of pheromones to the brain and hypophysis. The dependence between the reactivity of nasal and facial veins to male pheromones and the phase of the estrous cycle in gilts was also studied. The gilts were used in the luteal phase of the cycle and in the follicular phase of the cycle. The dorsal nasal, frontal and facial veins were isolated on an appropriate day of the estrous cycle. The isolated rings of veins were treated with androstenone (5alpha-androst-16-en-3-one), androstenol (5alpha-androst-16-en-3-ol) and testosterone (17beta-hydroxy-4-androsten-3-one) in concentrations of 1 or 10 microM. Changes in the contractile activity of the isolated vein segments were measured using isometric transducer and recorded on HSE-ACAD software for Windows. Androstenone--main signaling boar pheromone--induced much stronger reactions of the vessels than androstenol. Androstenone caused significant relaxation of the dorsal nasal and frontal veins, and significant increased tension of the facial vein in the follicular phase of the estrous cycle. The results obtained suggest a direct effect of male pheromones on the contractile reactivity of the superficial veins of the nose and face in the female, and in this way contribute to a humoral pathway for transfer of pheromones to the brain and hypophysis. Moreover, the present study revealed changes in the reactivity during the estrous cycle of the veins, transporting blood from the region of the nasal cavity, to male pheromones participating in the regulation of female reproductive processes.
Pol J Vet Sci 2005
PMID:The influence of male pheromones on the contractile reactivity of the isolated superficial veins of the nose and face during the estrous cycle in gilts. 1579 75

Anaplastic lymphoma kinase (ALK)-positive diffuse large B-cell lymphoma (DLBCL) is a rare, recently defined tumor distinct in many aspects from ALK-positive anaplastic large cell lymphoma (ALCL). We present two additional cases of ALK+DLBCL recently diagnosed in our department and a review of literature. A 48-year old man presented with a large upper neck mass growing slowly over 18 months. Histologically the tumor was diagnosed as an ALK-positive diffuse large B-cell lymphoma. with plasmablastic features. Large, frequently intrasinusoidal tumor cells expressed CD138, EMA, weakly IgA and kappa, but were negative for other B-cell markers, T-cell markers and CD30. The ALK staining was cytoplasmic with the increased intensity in the Golgi area. At the diagnosis the patient manifested with the stage IIIB. Three courses of CHOP resulted in partial and only transient remission. The patient died of massive bleeding from his decomposing tumor 3 months after the diagnosis. A 49-year old man complaining of abdominal pain revealed abdominal lymphadenomegaly and a gastric infiltrate, involving the deep portions of the gastric wall. The tumor showed immunoblastic/anaplastic morphology, with some Reed-Sternberg-like cells positive for ALK. ALK immunostaining was cytoplasmic, weak in a routine immunostain, enhanced with double (proteinase + pressure cooker) antigen retrieval. FISH was consistent with the t(2;5)/nucleophosmin(NPM)-ALK rearrangement. The tumor demonstrated similar "null" B/T phenotype with positivity for IgA, lambda, EMA and LCA. The patient (stage IVB) currently undergoes chemotherapy. ALK-positive DLBCL affects mostly middle-aged men, shows generally poor but stage-dependent prognosis (at least 60% mortality rate), presents typically as a lymph node-based disseminated disease, and very rarely involves the bone marrow. Genetic studies showed that the majority of ALK+DLBCL cases are characterized by the clathrin (CLTC)-ALK fusion and in a few cases the NPM-ALK rearrangement has been found.
Pol J Pathol 2005
PMID:ALK-positive diffuse large B-cell lymphoma: two more cases and a brief literature review. 1592 Oct 12

We discuss here five cases of epithelioid sarcoma (ES) with final diagnosis established after reexamination of initial findings. Problems with differential diagnosis of these neoplasms arise since their microscopic picture may simulate several other pathological conditions such as non-neoplastic granulomatous reactions, squamous cell carcinomas and adenocarcinomas, melanomas and soft tissue sarcomas with epithelioid component. Final ES diagnosis requires presence of cytokeratin, EMA and vimentin in neoplastic cells, as confirmed by immunohistochemical reactions. Differential diagnosis is also helped by concurrent cytology assessment that allows recognizing more easily such characteristic features as presence of plasmacytoid or spindle-shaped cells.
Pol J Pathol 2005
PMID:Diagnostic problems concerning epithelioid sarcoma--case analysis. 1633 82

An 83-year-old woman was admitted to our hospital because of colicky pain under the right costal arch suggesting cholecystitis. Physical examination confirmed by ultrasound scan indicated a palpable tumor in that location. Laparotomy was performed and the tumor was removed. Histopathological examination revealed malignant peripheral nerve sheath tumor (MPNST) originating in neurofibroma of the mesentery. Macroscopic, histological and cytological features were typical for MPNST. High nuclear pleomorphism, hyperchromasia were observed but on average only two mitotic figures per high power field were seen. The growth fraction determined by Ki-67 immunoreactivity was about 30%. Immunohistochemical stains revealed positivity of individual cells for NK-1(CD57), S-100 protein and NSE. It was lack of positivity for cytokeratin, EMA, vimentin, desmin, SMA, CD34. We report a well documented case of MPNST originating in preexisting neurofibroma of the mesentery. To our knowledge, is the first case in the Polish literature.
Pol J Pathol 2005
PMID:Malignant peripheral nerve sheath tumor originating in neurofibroma of the mesentery. Case report. 1633 83

This study was designed to establish: a) whether boar pheromones, 5alpha-androstenone and 5alpha-androstenol, may affect the contractile reactivity of superficial veins of the face in prepubertal gilts deprived of ovarian hormones, and b) what is the influence of ovarian hormones secreted during sexual maturation on the contractility of these veins. The isolated rings of frontal, facial and dorsal nasal veins were treated with androstenone (5alpha-androst-16-en-3-one), androstenol (5alpha-androst-16-en-3-ol) and testosterone (17beta-hydroxy-4-androsten-3-one) in concentrations of either 1 or 10 microM. Changes in the contractile activity of the isolated vein segments were measured using isometric transducer and recorded on HSE-ACAD W software. Sex boar pheromones androstenol and androstenone affected the contractility of the superficial veins of the face and nose in both of the prepubertal ovariectomized gilts and prepubertal intact animals. The way these veins reacted to pheromones differed between animal groups, particular vessels and even their parts and was also dose - dependent. In prepubertal ovariectomized gilts, androstenol had stronger action and caused the constriction of the facial vein, dorsal nasal vein and the distal part of the frontal vein. Androstenone produced constriction of the nasal vein, distal part of the frontal vein and proximal part of facial vein, but relaxation of the proximal part of the frontal vein and the distal part of the facial vein. In prepubertal untreated gilts, androstenone was more effective and strongly influence on the constricted of the frontal vein and facial vein and produced the relaxation of the nasal vein. Androstenol influence on the constriction the frontal vein and the distal parts of the facial vein and nasal vein, and influence o the relaxtion their proximal parts. Testosterone used as a control androgen affected both superficial veins of the face veins in a dose-dependent manner, and, at a higher dose, increased the contractility more effectively. Only the nasal vein did not react to this hormone. The present results suggest the existence in prepubertal gilts of frontal and facial veins' specific reactivity which may participate in the regulation of blood flow from the nasal cavity to the perihypophyseal vascular complex and play a role in the humoral pathway for the male pheromone priming functions in the central nervous system. This reactivity was displayed by the vessels in prepubertal gilts without ovarian hormones. The presence of active ovaries in maturing gilts changed the reactivity of these veins to pheromones and testosterone.
Pol J Vet Sci 2006
PMID:The influence of boar pheromones on the contractile reactivity of the isolated superficial veins of the nose and face in ovariectomized prepubertal gilts and in gilts during sexual maturation. 1678 Jan 80

Haemangiopericytomas originate in extravascular cells (pericytes). They are well-differentiated tumours with low potential for local recurrence or metastasis. The most common presenting symptoms are nasal obstruction and recurrent epistaxis. Differential diagnosis requires immunohistochemical staining. Treatment consists in wide surgical excision. Case report a 44-years old male turned up with symptoms of right-sided nasal obstruction and epistaxis. A reddish, tough tumour 10 mm in diameter was diagnosed, covered with unchanged mucous membrane with small ulceration 3 mm in diameter, growing in the nasal septum. The tumour was dissected from unchanged septal cartilage and removed under endoscopic guidance. Histopathological examination disclosed prolonged, multiangular cells, with no mitotic activity. Focal faint expression of actin was confirmed, while the tumour cells were negative for CD34, CD31, GFAP, EMA, CK and S-100. Endothelial cells were positive for CD31 and CD34. Epithelial cells were positive for EMA and CK. The results of differential diagnosis were consistent with the diagnosis of sinonasal haemongiopericytoma. The patient has been asymptomatic for 6 months. Conclusion. Transnasal endoscopic approach to the discussed sinonasal haemangiopericytoma located on the nasal septum allowed its optimal visualisation and removal with macroscopically sufficient margins.
Pol Merkur Lekarski 2006 Apr
PMID:[Sinonasal haemangiopericytoma of the nasal septum removed under endoscopic guidance]. 1688 73

This study was designed to establish: a) whether boar pheromones, androstenone and androstenol, may affect the vasocontractility of the facial superficial veins in ovariectomized pubertal gilts and b) what is the effect of estradiol on this contractility. The gilts ovariectomized after two controlled estrous cycles, and the ovariectomized gilts treated with estradiol benzoate were used in the experiment. The isolated rings of dorsal nasal, frontal and facial veins were incubated with androstenone (5alpha-androst-16-en-3-one) and androstenol (5alpha-androst-16-en-3-ol) in concentrations of either 1 or 10 microM. Changes in the contractile activity of the isolated vein segments were measured using isometric transducer and recorded with HSE-ACAD W software. In ovariectomized gilts both the androstenone and androstenol caused a relaxing effect on the nasal vein, flow of the blood from the nasal cavity, and on the frontal vein, by which the blood may by directed into the perihypophyseal vascular complex. An opposing reaction to these pheromones was found in the distal part of the facial vein by which the blood is directed to the systemic circulation. Treating ovariectomized gilts with estradiol benzoate changed mainly the reactivity of the frontal vein to androstenone, which produces constriction, but this treatment did not affect the reactivity of the facial superficial veins to androstenol. The present results demonstrated that both boar sex pheromones, androstenone and androstenol, may contribute to the regulation of their humoral pathway from the nasal cavity to the brain and hypophysis in the ovariectomized pubertal gilts and suggest the effect of estradiol to this pathway.
Pol J Vet Sci 2006
PMID:The influence of boar pheromones on the vasoreactivity of the facial superficial veins in ovariectomized and estradiol-treated pubertal gilts. 1720 39

Refractory celiac disease is characterized by the persistence or recurrence of symptoms connected with enteropathy, presence of specific antibodies in the serum: EMA, tTG2 and DPG, and (or) intestinal villous atrophy despite strict adherence to gluten-free diet for 6 to 12 months. Correct initial diagnosis of celiac disease, exclusion of other causes of the lack of response to gluten-free diet and persistence of villous atrophy are necessary conditions of diagnosis of refractory celiac disease. Options of the treatment, depending on the patient condition are: gluten-free diet, elementary diet, parenteral nutrition, immunosuppression and biological therapy.
Pol Merkur Lekarski 2013 Jul
PMID:[Refractory celiac disease]. 2398 6


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