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M Janousek

Publications and source records attributed to M Janousek.

18 recordsLinked to original sources
PubMed2006

[Isolated lymphadenopathy as the first presentation of systemic mastocytosis--description of two cases].

Presented are two cases of systemic mastocytosis in 46- and 63-year-old women, where the correct diagnosis was established in randomly disclosed cervical respectively intraabdominal lymphadenopathy. Both cases lacked characteristic skin and systemic mast-cell mediator symptoms at the time of histologic diagnosis. The first case was classified as a indolent systemic mastocytosis without any proven genetic alteration, the second one met the criteria of aggressive systemic mastocytosis with eosinophilia, where the point mutation asp816val in c-kit gene was confirmed and the patient responded unexpectedly well to Gleevec. Discussed are both conventional morphological differential diagnosis of mastocytosis in lymph nodes and recent advances in genetics of these systemic clonal mast cell proliferations. The latter not only outlines the oncopathogenesis but, in particular, also provides important prognostic and biological implications of this peculiar disease.

Abdomen↗
PubMed2006

[Radical parametrectomy in women with invasive cervix cancer after previous simple hysterectomy].

OBJECTIVE: Evaluate technique, indications and limits of surgical procedure in the treatment of cervical cancer diagnosed from uterus specimen from simple hysterectomy. DESIGN: Retrospective observational study, review of literature. SETTINGS: Department of Obstetrics and Gynecology, 1st Medical Faculty and General Faculty Hospital, Charles University, Prague, Czech Republic. METHODS: Women following radical parametrectomy with upper vaginectomy and pelvic lymphadenectomy were enrolled to the study. In all patients unexpected invasive cervical cancer was found from the uterus specimen after simple hysterectomy. RESULTS: Together 10 patients were enrolled to the study. CIN was the indication for primary hysterectomy in all but two patients. There were two operative complications, cystostomy in both cases, treated properly during surgery. In the specimen from radical procedure residual tumor in parametria was found in 2 cases, and metastasis to pelvic nodes in 4 cases. There was no postoperative complication. Adjuvant radiotherapy was recommended in 4 patients due to positive lymph nodes, in one case due to residual tumor in parametria, and in one case for both reasons. CONCLUSIONS: Radical parametrectomy with upper vaginectomy and pelvic lymphadenectomy should be considered as an alternative solution in patients following simple hysterectomy with unexpected finding of invasive cervical cancer. Morbidity of the procedure is higher in comparison to standard radical hysterectomy, however majority of complications are easy to repair. The most significant criteria for patient's selection for surgical approach is a depth of invasion to cervical stroma. In our group radical procedure obviated the need for radiotherapy in half of the patients.

Adult↗
PubMed2005

[Metastasing and relapsing "low grade" adenosquamous metaplastic breast cancer--is there a really indolent lesion? A description of three cases and review of literature].

OBJECTIVE: To describe personnel experience with three unusual cases of low-grade adenosquamous carcinoma of the breast. Due to the aggressive course in two cases, the review of the literature does not concentrate on morphology and differential diagnosis only, but discuss overall biology of this lesion too. DESIGN: Three case reports. SETTING: Biopsy Lab s.r.o. and Sikl's Department of Pathology, Charles University and Faculty Hospital, Pilsen. METHODS: Included are cases from mammary register of Biopsy Lab s.r.o. and from personnel consulting registry of Prof. Michal. In details are documented both clinical presentations, including follow up, and spectrum of histologic patterns of the lesion. Immunohistochemistry performed by streptavidin-biotin system (LSAB+, Dako) as detection system and diaminobenzidin tetrahydrochlorid as chromogen, employed standard myoepitelial markers (actin, CD10, calponin and p63), hormonal receptors, oncogen Her-2/neu, CK7, CAM5.2, CD34 and CD117. RESULTS: Partial mastectomy and segmentectomy were performed in three women 46, 72 and 74 years-old resp. for tumor, which size ranged from 20-35 mm in maximum diameter (mean 28 mm). Histology revealed low-grade adenosquamous metaplastic carcinoma displaying typical biphasic appearance combining regular tubular structures with surrounding storiform, sclerosing fibrous stroma. Variably present was characteristic squamous metaplasia of the gland forming either luminal morules or evident squamous pearls. Using immunohistochemistry, a total absence of myoepithelial layer in epithelial structures was confirmed. The stromal component expressed smooth muscle actin in two cases, one of which contained areas of heterologous chondrosseal differentiation. There were recognized metastases by one woman in two ipsilateral axillary lymph nodes mimicking benign breast heterotopia in one of them. One patient experienced recurrence in the scar 37 months after mastectomy where only mesenchymal heterologous component element was found. In two women with aggressive course the original biopsy was falsely interpreted, once as phyllodes tumor and secondly as benign sclerosing pseudotumor. CONCLUSION: low-grade adenosquamous carcinoma, despite its bland histology, should be understood as regular malignancy prone to frequent recurrences and recognized metastatic potential. It arises in the deep breast tissue and structurally resembles the microcystic adnexal carcinoma of the skin. Low-grade adenosquamous carcinoma, however, has nothing to do with syringomatous adenoma of the nipple, which is a benign tumor of the skin adnexa. Differential diagnosis includes spectrum of non-neoplastic slerosing lesions and above-mentioned phylloid tumor. The rarity of this neoplasm does not exclude deep knowledge.

Aged↗
PubMed2004

Uterine necrosis after laparoscopic uterine vessel dissection for symptomatic fibroid--a case report.

Laparoscopic dissection of uterine vessels is a new minimally invasive method to treat symptomatic fibroids. A potential complication of uterine artery dissection is uterine necrosis. A woman with a large intramural fibroid underwent laparoscopic dissection of the uterine vessels using ultrasonic activated shears and three months later developed focal uterine necrosis requiring exploratory laparotomy and supracervical hysterectomy. Although uterine artery coagulation and dissection are procedures with a low reported rate of complications, uterine fibroid or focal uterine necrosis can occur.

Adult↗
PubMed2000

Diagnostic potential of neutrophil elastase inhibitor complex in the routine care of critically ill newborn infants.

UNLABELLED: It has been suggested that determination of the neutrophil elastase alpha1-proteinase inhibitor complex (E-alpha1PI) improves the diagnosis of bacterial infection in newborns. We evaluated the use of E-alpha1PI measurements in 143 newborns, consecutively admitted to a tertiary intensive care unit, employing a new random access assay and a sampling procedure that minimises post-collection artefacts. The 95% range for noninfected newborns was 20-110 microg/l up to the 5th day of life and 20-85 microg/l thereafter. The sensitivity as to the diagnosis of culture-proven bloodstream infection was 80% for E-alpha1PI, 86% for the immature to total neutrophil ratio, 64% for C-reactive protein and 37% for the total white blood cell count. The corresponding specificity amounted to 97%, 85%, 85% and 86%, respectively. E-alpha1PI increases preceded elevations of C-reactive protein by 18 h. Like C-reactive protein, E-alpha1PI levels did not distinguish between bloodstream infection and non-bacterial inflammatory responses. Results of E-alpha1PI became available within 1 h of collection and usually 2-3 h before manual leucocyte counts. CONCLUSION: Determination of neutrophil elastase alpha1-proteinase inhibitor levels yields diagnostic advantages comparable to those of manual differential counts but provide faster turnaround times.

Cohort Studies↗
PubMed2000

[Cervical carcinoma during pregnancy].

OBJECTIVE: To evaluate management and outcome of pregnant women with cervical carcinoma. DESIGN: Retrospective clinical study. SETTING: Institute for Mother and Child Care, Prague, Czech Republic. METHODS: Clinical data of pregnant women suffering from cervical carcinoma were summarized and assessed. The primary treatment was radical hysterectomy and pelvic lymphadenectomy including the foetus in utero in the first and early second trimester and caesarean section and radical surgery after viability of the foetus has been reached. Patients were assessed with regard to the stage of the disease and the stage of pregnancy. RESULTS: In this retrospective study we discuss 8 cases of cervical cancer diagnosed during pregnancy. According to the TNM classification 3 patients were in stage Ib1, 3 patients in stage Ib2, one patient in stage IIa and one patient in stage IIb. With the exception of one patient in stage IIb all cases were operable with no complication after radical surgery. After a follow-up of at least 12 months we are convinced that pregnancy has no negative effect on the prognosis of cervical cancer.

Adult↗
PubMed2000

[Granulosa cell tumor--clinical group and literature review].

OBJECTIVE: To present a review of literature and to analyse a clinical retrospective series of patients with granulosa cell tumor. DESIGN: Retrospective study and review. SETTING: Department of Obstetrics and Gynaecology, First Faculty of Medicine, Prague, Czech Republic. METHODS: Retrospective analysis of age, stage, surgery, radiotherapy and chemotherapy, survival curve, number of recurrences and time to recurrence. Literature and information database (Medline 1997-1999) review. RESULTS: In a group of 43 patients the median of age was 53.5 years. 83.7% of cases were in a stage I. There were two duplicate tumors in a series. Conservative surgery was performed in 9/43 cases, 5 of them were reoperated on. The most frequent chemotherapy regimens were platinum-cyclophoshamide and BEP (bleomycin, etoposide, platinum). The 5-year overall survival was 86% and specific survival 90.7%. There were 3/43 recurrences, median time to recurrence was 22 months. CONCLUSION: A good prognosis of a patient with granulosa cell tumor requires a precise histopathologic examination, an adequate surgery and a comprehensive clinical analysis of a case to evaluate an indication of adjuvant therapy. Concentration of patients in oncogynaecological centres is advisable. A careful follow-up because of a risk of late recurrences is necessary.

Female↗
PubMed1998

Effect of collection and preprocessing methods on neutrophil elastase plasma concentrations.

OBJECTIVES: Elevated plasma levels of the elastase alpha 1-proteinase inhibitor complex (E-alpha 1 PI) have been proposed as a marker of bacterial infection and neutrophil activation. Liberation of elastase from neutrophils after collection of blood may cause falsely elevated results. Collection methods have not been validated for critically ill neonates and children. We evaluated the influence of preanalytical methods on E-alpha 1 PI results including the recommended collection into EDTA tubes. DESIGN AND METHODS: First, we compared varying acceleration speeds and centrifugation times. Centrifugation at 1550 g for 3 min resulted in reliable preparation of leukocyte free plasma. Second, we evaluated all collection tubes under consideration for absorption of E-alpha 1 PI. Finally, 12 sets of samples from healthy adults and 42 sets obtained from critically ill neonates and children were distributed into the various sampling tubes. Samples were centrifuged within 15 min of collection and analyzed with a new turbidimetric assay adapted to routine laboratory analyzers. RESULTS: One of the two tubes containing a plasma-cell separation gel absorbed 22.1% of the E-alpha 1 PI content. In the remaining tubes without absorption of E-alpha 1 PI no differences were observed for samples from healthy adult patients. However, in samples from critically ill neonates or children, significantly higher results were obtained for plain Li-heparin tubes (mean = 183 micrograms/L), EDTA tubes (mean = 93 micrograms/L), and citrate tubes (mean = 88.5 micrograms/L) than for the Li-hep tube with cell-plasma separation gel and no absorption of E-alpha 1 PI (mean = 62.4 micrograms/L, p < 0.01). CONCLUSION: Contrary to healthy adults, E-alpha 1 PI results in plasma samples from critically ill neonates and children depend on the type of collection tube.

Child↗
PubMed1995

[Anticardiolipin antibodies and oncofetal antigens in pregnant women].

The presence of antiphospholipid antibodies (APA) in the blood stream is associated with some reproductive disorders in women. In the serum of 84 pregnant women, using the Elisa method, anticardiolipin antibodies (ACA) were examined. The first group of 53 women was formed by women with pathological levels of at least one of the oncofoetal antigens (alpha-1-fetoprotein-AFP, human chorionic gonadotropin-HCG and trophoblast-specific beta-1-glycoprotein- SP1). The second group of 31 pregnant women comprised women hospitalized on account of a risk pregnancy. In the first group women with reduced HCG were most frequently represented, where in 8.8% positive ACA were recorded. Of 11 patients with elevated HCG only in one the presence of ACA was detected. In nine pregnant women with reduced HCG and SP1 or AFP ACA positivity was found in 44.4%. In the second group ACA were detected in the serum of six pregnant women who had also pathological SP1 or HCG levels. From the results ensues that ACA could interfere with transduction signalizing processes in the cell and thus influence the synthesis of some proteins.

Adult↗
PubMed1993

[Spindle cell hemangioendothelioma].

Subcutaneous spindle cell hemangioendothelioma was observed in lower limb of a woman and forearm of a man. Cavernous and slit-like sinusoid vascular spaces were combined with solid spindle cell areas in both tumours. Spindle cells showed local immunohistochemical positivity of Factor XIII. Cavernous spaces comprised numerous thrombi in different phase of organization and sinusoids were full of lingering erythrocytes and lots of siderophages. Recurrence of the tumour occurred in the woman. Biologic nature of the lesion is not evident for the time being because its reactive proliferative character cannot be excluded.

Adult↗