1
|
Yildirim ME, Karakus S, Kurtulgan HK, Ozer L, Celik SB. Polyploidy Phenomenon as a Cause of Early Miscarriages in Abortion Materials. Balkan J Med Genet 2023; 26:5-10. [PMID: 37576791 PMCID: PMC10413878 DOI: 10.2478/bjmg-2023-0002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/15/2023] Open
Abstract
Objectives Chromosomal abnormalities are an important cause of especially early miscarriages. The aim of this study was to analyze the chromosomal aberrations and determine the frequencies of numerical and structural chromosome abnormalities in spontaneous abortion materials. Methods This was a prospective research and ninety two abortion samples obtained from women who had one or more miscarriages were included in the study. Conventional karyotype analysis was performed on each sample to identify possible chromosomal abnormalities. Results By karyotype analysis, 11 polyploidy cases, (9 triploids and 2 tetraploids), 8 trisomies (one of which was mosaic), 2 monosomies (monosomy X), 1 isochromosome, 1 Xq deletion, and 4 translocations were detected in abortion materials. Isochromosome and Xq deletion cases were also mosaic. In addition, five polymorphic variants were revealed. We found higher paternal age in polyploidy cases. Conclusion The most common anomaly we found in abortion materials was polyploidy. This was followed by aneuploidy (trisomy and monosomy). Polyploidy (triploidy or tetraploidy) emerged as an important cause in cases of spontaneous abortion. Paternal age may be associated with polyploidy especially triploidy.
Collapse
Affiliation(s)
- ME Yildirim
- Department of Medical Genetics, Faculty of Medicine, Sivas Cumhuriyet University, 58104Sivas, Turkey
| | - S Karakus
- Department of Obstetrics and Gynecology, Faculty of Medicine, Sivas Cumhuriyet University, 58104Sivas, Turkey
| | - HK Kurtulgan
- Department of Medical Genetics, Faculty of Medicine, Sivas Cumhuriyet University, 58104Sivas, Turkey
| | - L Ozer
- Department of Medical Genetics, Faculty of Medicine, Yuksek Ihtisas University, Ankara, Turkey
| | - SB Celik
- Department of Medical Genetics, Faculty of Medicine, Sivas Cumhuriyet University, 58104Sivas, Turkey
| |
Collapse
|
2
|
Sturny M, Karakus S, Fraga-Silva R, Stergiopulos N, Burnett A. PS-04-002 Long-term low-intensity electrostimulation of injured cavernosal nerve improves erectile function recovery in a rat model of postprostatectomy erectile dysfunction. J Sex Med 2019. [DOI: 10.1016/j.jsxm.2019.03.062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
|
3
|
Tayyar AT, Karakus R, Eraslan Sahin M, Topbas NF, Sahin E, Karakus S, Yalcın ET, Tayyar A. Wnt signaling pathway in early- and late-onset preeclampsia: evaluation with Dickkopf-1 and R-Spondin-3 glycoproteins. Arch Gynecol Obstet 2019; 299:1551-1556. [DOI: 10.1007/s00404-019-05126-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Accepted: 03/16/2019] [Indexed: 10/27/2022]
|
4
|
Ozcelik S, Ozpinar N, Karakus S, Akyildiz F, Karakaya O. Metronidazole resistance in Trichomonas vaginalis determined by molecular and conventional methods. Trop Biomed 2018; 35:188-194. [PMID: 33601791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Trichomonas vaginalis (T. vaginalis) is a protozoan parasite that infects the urogenital tract of both women and men worldwide. Trichomoniasis can cause serious symptoms if untreated. Metronidazole is the drug of choice for the treatment of trichomoniasis. In recent years metronidazole-resistant T. vaginalis has often been mentioned in clinical isolates. The aim of this study was to determine the conventional and molecular methods to determine metronidazole-resistant T. vaginalis, which is seen commonly and to discuss the possible reasons for this. Samples taken from patients diagnosed with T. vaginalis from the gynaecology and obstetrics clinic between April 2015 and June 2016 were evaluated for metronidazoleresistance using molecular and conventional methods. A total of 170 patients were examined and T. vaginalis was determined in 6 (3.5%) patients. Metronidazole resistance was determined in 2 (33.3%) of the 6 clinical isolates as a result of the molecular and conventional tests applied. Metronidazole resistance was determined using nitroreductase genes ntr4Tv and ntr6Tv. These findings suggest that metronidazole-resistance T. vaginalis strains can be determined in laboratory samples of cases with trichomoniasis. This may be an important underlying factor in the unsuccessful management of recurrent cases seen in routine gynecological practice.
Collapse
Affiliation(s)
- S Ozcelik
- Bezmialem Vakif University, Health Sciences Institute, 34093, Istanbul, Turkey
| | - N Ozpinar
- Cumhuriyet University, Department of Parasitology, Faculty of Medicine, 58400, Sivas, Turkey
| | - S Karakus
- Cumhuriyet University, Faculty of Medicine, Department of Obstetrics and Gynecology, 58400 Sivas, Turkey
| | - F Akyildiz
- Cumhuriyet University, Department of Parasitology, Faculty of Medicine, 58400, Sivas, Turkey
| | - O Karakaya
- Sivas Public Hospital, Department of Obstetrics and Gynecology, 58400 Sivas, Turkey
| |
Collapse
|
5
|
Musicki B, Karakus S, Anele U, Silva F, Burnett A. 162 Dysregulated NO Signaling in the Lower Genitourinary Tract: A Common Mechanism of Erection and Micturition Dysfunction in a Mouse Model of Sickle Cell Disease. J Sex Med 2018. [DOI: 10.1016/j.jsxm.2017.11.120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
|
6
|
Tayyar AT, Tayyar A, Kozali S, Karakus R, Karakus S, Yuksel IT, Dag I, Yildirim GY, Demirci O. Maternal cytoglobin (CYGB) serum levels in normal and preeclamptic pregnancies. J Matern Fetal Neonatal Med 2017; 32:1859-1863. [PMID: 29278960 DOI: 10.1080/14767058.2017.1421927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
OBJECTIVE To investigate cytoglobin levels in women with preeclampsia and women with uncomplicated pregnancies. MATERIALS AND METHODS A cross-sectional study including 26 pregnant women complicated with early-onset preeclampsia (EO-PE) and 26 pregnant women complicated with late-onset preeclampsia (LO-PE) were recruited for the study group. Twenty-seven healthy pregnant women selected randomly were included in the control group. The serum CYGB concentrations were measured using an enzyme-linked immunosorbent assay. RESULTS Gestational age at delivery and mean birth weight were significantly lower in the preeclampsia groups than in the control group and were found to be the lowest in the EO-PE group (p < .001). Serum CYGB levels were significantly higher in the EO-PE and LO-PE groups as compared with the control group (9.99 (6.08) ng/ml (EOPE), 10.04 (7.04) ng/ml (LOPE) versus 2.84 (0.82) ng/ml), (p < .001). However, a significant difference was not found between the EO-PE and LO-PE groups regarding CYGB levels (p = 1.000). CONCLUSIONS Serum CYGB levels were significantly higher in patients with EO-PE and LO-PE as compared to healthy pregnant women.
Collapse
Affiliation(s)
- Ahter Tanay Tayyar
- a Department of Obstetrics and Gynecology , Health Sciences University, Zeynep Kamil Maternity and Children's Training and Research Hospital , İstanbul , Turkey
| | - Ahmet Tayyar
- b Department of Obstetrics and Gynecology , Health Sciences University, Kanuni Sultan Süleyman Education and Research Hospital , Istanbul , Turkey
| | - Sukran Kozali
- a Department of Obstetrics and Gynecology , Health Sciences University, Zeynep Kamil Maternity and Children's Training and Research Hospital , İstanbul , Turkey
| | - Resul Karakus
- a Department of Obstetrics and Gynecology , Health Sciences University, Zeynep Kamil Maternity and Children's Training and Research Hospital , İstanbul , Turkey
| | - Seren Karakus
- a Department of Obstetrics and Gynecology , Health Sciences University, Zeynep Kamil Maternity and Children's Training and Research Hospital , İstanbul , Turkey
| | - Ilkbal Temel Yuksel
- b Department of Obstetrics and Gynecology , Health Sciences University, Kanuni Sultan Süleyman Education and Research Hospital , Istanbul , Turkey
| | - Ismail Dag
- c Department of Clinical Biochemistry , Eyup State Hospital , Istanbul , Turkey
| | - Gonca Yetkin Yildirim
- b Department of Obstetrics and Gynecology , Health Sciences University, Kanuni Sultan Süleyman Education and Research Hospital , Istanbul , Turkey
| | - Oya Demirci
- a Department of Obstetrics and Gynecology , Health Sciences University, Zeynep Kamil Maternity and Children's Training and Research Hospital , İstanbul , Turkey
| |
Collapse
|
7
|
Musicki B, Karakus S, Akakpo W, Silva FH, Liu J, Chen H, Zirkin BR, Burnett AL. Testosterone replacement in transgenic sickle cell mice controls priapic activity and upregulates PDE5 expression and eNOS activity in the penis. Andrology 2017; 6:184-191. [PMID: 29145710 DOI: 10.1111/andr.12442] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2017] [Revised: 08/30/2017] [Accepted: 10/04/2017] [Indexed: 01/02/2023]
Abstract
Sickle cell disease (SCD)-associated priapism is characterized by decreased nitric oxide (NO) signaling and downregulated phosphodiesterase (PDE)5 protein expression and activity in the penis. Priapism is also associated with testosterone deficiency, but molecular mechanisms underlying testosterone effects in the penis in SCD are not known. Given the critical role of androgens in erection physiology and NO synthase (NOS)/PDE5 expression, we hypothesized that testosterone replacement to eugonadal testosterone levels reduces priapism by reversing impaired endothelial (e)NOS activity and molecular abnormalities involving PDE5. Adult male transgenic Berkeley sickle cell (Sickle) and wild-type (WT) mice were implanted with testosterone pellets, which release 1.2 μg testosterone/day for 21 days, or vehicle. After 21 days, animals underwent erectile function assessment followed by collection of blood for serum testosterone measurements, penes for molecular analysis, and seminal vesicles as testosterone-responsive tissue. Serum testosterone levels were measured by radioimmunoassay; protein expressions of PDE5, α-smooth muscle actin, eNOS and nNOS, and phosphorylation of PDE5 at Ser-92, eNOS at Ser-1177, neuronal (n) NOS at Ser-1412, and Akt at Ser-473 were measured by Western blot in penile tissue. Testosterone treatment reversed downregulated serum testosterone levels and increased (p < 0.05) the weight of seminal vesicles in Sickle mice to levels comparable to that of WT mice, indicating restored testosterone levels in Sickle mice. Testosterone treatment reduced (p < 0.05) prolonged detumescence in Sickle mice and normalized downregulated P-PDE5 (Ser-92), PDE5, P-eNOS (Ser-1177), and P-Akt (Ser-473) protein expressions in the Sickle mouse penis. Testosterone treatment did not affect P-nNOS (Ser-1412), eNOS, nNOS, or α-smooth muscle actin protein expressions in the Sickle mouse penis. In conclusion, in the mouse model of human SCD, increasing testosterone to eugonadal levels reduced priapic activity and reversed impaired Akt/eNOS activity and PDE5 protein expression in the penis.
Collapse
Affiliation(s)
- B Musicki
- The James Buchanan Brady Urological Institute and Department of Urology, The Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - S Karakus
- The James Buchanan Brady Urological Institute and Department of Urology, The Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - W Akakpo
- The James Buchanan Brady Urological Institute and Department of Urology, The Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - F H Silva
- The James Buchanan Brady Urological Institute and Department of Urology, The Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - J Liu
- Department of Biochemistry and Molecular Biology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - H Chen
- Department of Biochemistry and Molecular Biology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - B R Zirkin
- Department of Biochemistry and Molecular Biology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - A L Burnett
- The James Buchanan Brady Urological Institute and Department of Urology, The Johns Hopkins School of Medicine, Baltimore, MD, USA
| |
Collapse
|
8
|
Karakus S, Musicki B, La Favor J, Burnett A. 072 PKA Agonist Colforsin Recovers Erectile Function and Promotes nNOS Signalling in the Penis in Cavernous Nerve Injury Rat Model. J Sex Med 2016. [DOI: 10.1016/j.jsxm.2016.02.075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
|
9
|
Karadayi K, Yildiz C, Karakus S, Akkar OB, Ugurlu GP, Kurt A, Yanik A. Cytoreductive surgery and perioperative intraperitoneal chemotherapy for gynecological malignancies: a single center experience. EUR J GYNAECOL ONCOL 2016; 37:194-198. [PMID: 27172744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
INTRODUCTION The objective of this study was to assess the outcome of cytoreductive surgery (CRS) plus hyperthermic intraperitoneal chemotherapy (HIPEC) plus early postoperative intraperitoneal chemotherapy (EPIC) in patients with advanced gynecological malignancies. MATERIALS AND METHODS A retrospective series of 51 patients with advanced gynecologic cancer, evaluated between May 2008 to February 2014. Peritoneal Cancer Index (PCI) and Completeness of Cytoreduction (CCR) score were used in the study group. The study group consisted of the cancers of ovarian, fallopian tube, endometrial, and uterine sarcomas. RESULTS Mean PCI score of the study group was 18, and the postoperative complications were similar with the literature. Patients were followed in a period of 15 days to 64 months and the mean survival time was 22.8 months. Fifty-two percent of the patients were alive without evidence of the disease and overall one-year survival was found 56%. CONCLUSIONS The authors concluded that CRS, HIPEC, EPIC, and peritonectomy are a crucial options in patients with advanced gynecological cancers.
Collapse
|
10
|
Akgol G, Yildiz C, Karakus S, Koc M, Dogan M, Turan K, Karadayi K. The effects of intraperitoneal chemotherapeutic agents on adhesion formation. EUR J GYNAECOL ONCOL 2016; 37:781-785. [PMID: 29943920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
PURPOSE Intra-abdominal adhesions are a major complication of healing. Furthermore these adhesions may cause morbidity and sometimes mortality for patients, and also are a financial burden to the health system. MATERIALS AND METHODS Cecum abrasion was performed in all rats and solutions containing saline to group 1, 5-fluorouracil to group 2, cisplatin to group 3, paclitaxel to the group 4, and mitomycin-C were administered into the abdomen of the groups, respectively. The intra-abdominal adhesions were scored after the macroscopic evaluation. RESULTS Among the chemotherapeutic drugs, paclitaxel significantly increases occurring of intra-abdominal adhesions in comparison with the control group and the other drugs according to the evaluation of scoring and statistical studies. CONCLUSION It is suggested to use the drugs which have a proven anti-adhesion feature or barriers to the patients who are going to be applied intraperitoneal chemotherapy with paclitaxel.
Collapse
|
11
|
Akkar OB, Yildiz C, Karakus S, Akkar I, Cetin A, Yanik A, Yenicesu AGI, Boztosun A. Antenatal counseling against passive smoking may improve birth weight for gestational age. CLIN EXP OBSTET GYN 2015. [DOI: 10.12891/ceog2053.2015] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
|
12
|
Akkar OB, Yildiz C, Karakus S, Akkar I, Cetin A, Yanik A, Yenicesu AGI, Boztosun A. Antenatal counseling against passive smoking may improve birth weight for gestational age. CLIN EXP OBSTET GYN 2015; 42:805-809. [PMID: 26753491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
AIM The authors determined the impact of antenatal counseling against exposure to environmental cigarette smoke on the prevention of reduced neonatal birth weight according to gestational age. MATERIALS AND METHODS A cross-sectional study was conducted in pregnant women, with 77 passive smokers and 88 non-smokers. During motivational interviews, passive smoking status was monitored and additional follow-up visits were arranged to increase the knowledge regarding perinatal risks of passive smoking, including intrauterine growth restriction and low birth weight. The authors aimed to increase the woman's motivation to avoid second-hand tobacco smoke exposure. RESULTS The demographic and clinical findings of the study groups were found considerably similar, in this context, and the authors found positive and strong correlations between the gestational age and neonatal birth weight (r = 0.80 and r = 0.76, respectively; p < 0.05). CONCLUSIONS During antenatal care of women, regular counseling against second-hand smoke exposure may prevent negative effect of passive smoking on neonatal birth weight according to gestational age. This promising finding needs to be supported by further studies with larger sample size considering covariates relevant to passive smoking.
Collapse
|
13
|
Karakus S, Arin BE, Arat Z, Karakayali H, Haberal M. Impact of hepatitis serology on development of leukopenia after solid organ transplantation. Transplant Proc 2008; 40:199-201. [PMID: 18261586 DOI: 10.1016/j.transproceed.2007.12.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Homologous organ transplantation is an accepted therapeutic modality for end-stage disease of the kidney and liver. In posttransplantation periods leukopenia is a common problem with a wide range of differential diagnoses. Not only can it lead to an increased incidence of infections, but preclude the use of adequate immunosuppressive therapy and antimicrobial regimens because of their potential leukopenic side effects. One reason for leukopenia is viral hepatitis, which is frequently seen in transplant recipients. Herein this report, we searched for the relationship of leukopenic bouts among kidney and liver transplantation recipients to hepatitis serology. METHODS We retrospectively evaluated the records of 569 patients who received solid transplants between January 1996 and October 2006. Because 27 patients did not come for follow-up examinations, their data were excluded, and 14 patients had 2 transplantations, yielding 556 primary transplantation cases for leukopenic attacks. RESULTS Leukopenic attacks showed a strong relationship with hepatitis B virus (HBV) infection, but were independent of HBV DNA status (P = .002). No relationship with hepatitis C virus (HCV) infection status was found. CONCLUSIONS Leukopenia is a common, important complication that can be seen during the posttransplantation period of recipients affecting both mortality and morbidity. HBV infection is a risk factor for development of leukopenia after transplantation. Adequate treatment of HBV infection in transplant recipients is important to obtain leukocyte counts in the normal range, allowing easier and safe antibacterial and immunosuppressive therapy in the posttransplantation period.
Collapse
Affiliation(s)
- S Karakus
- Baskent University, Faculty of Medicine, Department of Internal Medicine, Division of Hematology, Baskent University, Ankara, Turkey.
| | | | | | | | | |
Collapse
|
14
|
Ozdogu H, Boga C, Kizilkilic E, Kozanoglu I, Karakus S, Sahin FI, Unalan D, Haberal M. The first 2 years of clinical experience with peripheral blood stem cell transplantation for various hematological malignancies: results from a single Baskent University Center. Transplant Proc 2007; 39:1257-60. [PMID: 17524948 DOI: 10.1016/j.transproceed.2007.02.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Autologous stem cell transplantation is the current standard approach for patients with multiple myeloma and relapsed or refractory lymphoma. Nonmyeloablative allogeneic stem cell transplantation has been applied worldwide. We analyzed the results of transplantation activity from 2004 to 2006. Seven evaluable patients younger than 65 years old with stage II/III multiple myeloma were treated with high-dose melphalan therapy (140 mg/m(2)) plus autologous peripheral blood stem cell transplantation. Complete responses or tumor reductions of more than 75% were obtained in all patients. At a median follow-up of 10 months, all patients remained disease-free. Four patients with acute myeloblastic leukemia underwent nonmyeloablative allogeneic peripheral stem cell transplantation. Their median age was 30 years. One patient was refractory and the others were in hematological remission. The patients received fludarabine-based preparative regimens. All patients received fully matched blood from a related donor 2 days after chemotherapy in conjunction with graft-versus-host disease prophylaxis. One refractory patient with >90% engraftment had late autologous reconstitution at 3 months with evidence of relapse. All other patients in remission remained with >90% donor cell engraftment. These patients are disease-free at 13, 10, and 2 months. Toxicity was minimal. These results showed promise due to the minimal toxicity observed with the conditioning regimens which indicated the feasibility of these procedures.
Collapse
Affiliation(s)
- H Ozdogu
- Department of Hematology, Faculty of Medicine, Baskent University, Ankara, Turkey.
| | | | | | | | | | | | | | | |
Collapse
|
15
|
Gursoy A, Dogruk Unal A, Ayturk S, Karakus S, Nur Izol A, Bascil Tutuncu N, Guvener Demirag N. Polycythemia as the first manifestation of Cushing's disease. J Endocrinol Invest 2006; 29:742-4. [PMID: 17033265 DOI: 10.1007/bf03344186] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
A 39-yr-old man presented to our hospital with unexplained erythrocytosis and hypertension. His follow-up for erythrocytosis had begun 2 yr earlier in another hospital and he had been diagnosed with polycythemia rubra vera. On admission to our hospital he was hypertensive (165/95 mmHg) and, except for the presence of moon-like face and facial plethora, his physical examination was normal. His hemoglobin concentration was 19.2 g/dl, and hematocrit was 58.9% with an increased red blood cell mass of 58 ml/kg as measured by radioisotope (Cr51). Blood film, other hematological indices except for elevated leukocyte alkaline phosphatase score, arterial gas analysis, and examination of aspirated bone marrow were all normal. An abdominal ultrasonography showed no evidence of splenomegaly. A diagnosis of probable secondary erythrocytosis was made. Early-morning serum cortisol and 24-h urinary free cortisol concentration as well as serum ACTH were high. Serum cortisol was not suppressed by low-dose dexamethasone, but suppressed by high-dose dexamethasone. Pituitary magnetic resonance imaging showed no lesion. After inferior petrosal sinus sampling suggesting right-central ACTH secretion, the patient underwent transnasal-transsphenoidal pituitary adenomectomy. Both hypercortisolemia and erythrocytosis regressed completely after the adenomectomy. After the operation, the patient's hemoglobin concentration and hematocrit decreased steadily, and 1 month post-adenomectomy his hemoglobin is 14.9 g/dl and hematocrit 44.8%. Thus, Cushing's syndrome should be a routine part of evaluation of unexplained polycythemia.
Collapse
Affiliation(s)
- A Gursoy
- Department of Endocrinology and Metabolic Disease, Faculty of Medicine, Baskent University, 06490, Ankara, Turkey.
| | | | | | | | | | | | | |
Collapse
|
16
|
Coskun A, Guven MA, Ozdemir O, Cirakli H, Karakus S. Benign cystic mesothelioma presenting as a huge pelvic mass--a case report. EUR J GYNAECOL ONCOL 2006; 27:621-2. [PMID: 17290598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Benign cystic mesothelioma is an extremely rare peritoneal tumor. It is reported in women of childbearing [corrected] age but also in males and needs a careful [corrected] differential diagnosis between benign and malign neoplasia to choose the most [corrected] adeguate therapy. A 25-year-old female [corrected] was treated in our clinic for a gigantic cystic mass (25 x 22 x 3 cm in diameter) containing [corrected] many to [corrected] cysts of different sizes. All tumoral markers were within normal range. Surgical [corrected] treatment consisted of radical excision of the mass and the prognosis was good [corrected].
Collapse
Affiliation(s)
- A Coskun
- Department of Obstetrics and Gynecology, Kahramanmaras Sutcu Imam University, Faculty of Medicine, Kahramanmaras, Turkey
| | | | | | | | | |
Collapse
|
17
|
Yilmaz Z, Sahin FI, Kizilkilic E, Karakus S, Boga C, Ozdogu H. Conventional and molecular cytogenetic findings of myelodysplastic syndrome patients. Clin Exp Med 2005; 5:55-9. [PMID: 16096854 DOI: 10.1007/s10238-005-0066-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2005] [Accepted: 05/30/2005] [Indexed: 10/25/2022]
Abstract
Myelodysplastic syndrome (MDS) involves myeloid cells of the bone marrow, which is important in progressive bone marrow insufficiency. Of all MDS patients, 40%-50% have at least one chromosomal rearrangement. Loss of specific chromosomal regions like 5q- and 7q- are usually the secondary cytogenetic abnormalities associated with MDS. In order to detect chromosome abnormalities associated with MDS, bone marrow samples from 26 patients diagnosed as MDS were obtained prior to chemotherapy. Both conventional cytogenetic analyses and fluorescence in situ hybridisation (FISH) methods were performed and locus-specific probes for 5q and 7q were used. Results obtained were compared. Twenty-one patients had normal karyotypes and four patients had abnormal karyotypes, while in one patient we could not obtain metaphases from cultures. Three patients with normal karyotypes revealed del (5q), two patients had del (7q) and one patient had monosomy (7). A total of 10 of 26 patients had chromosome changes visualised by either conventional or molecular cytogenetics (approximately 38.5%). Our results show that both methods are important in diagnosis and follow up of MDS patients. When used together, conventional cytogenetics and FISH detect clinically significant chromosome abnormalities in MDS patients.
Collapse
Affiliation(s)
- Z Yilmaz
- Department of Medical Biology and Genetics, Baskent University Faculty of Medicine, Kubilay Sokak 36, 06570 Maltepe/Ankara, Turkey.
| | | | | | | | | | | |
Collapse
|
18
|
Karakus S, Ozyilkan O, Akçali Z, Demirhan B, Haberal M. Acute Myeloid Leukemia 4 Years After Kaposi’s Sarcoma in a Renal Transplant Recipient. Oncol Res Treat 2004; 27:163-5. [PMID: 15138349 DOI: 10.1159/000076906] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
BACKGROUND Leukemia is a well-known complication of cancer therapy, but development of acute myeloid leukemia (AML) after renal transplantation is rare. Immunosuppressive therapy for organ transplant recipients is complicated by high rates of malignant disease, one condition being Kaposi's sarcoma (KS). CASE REPORT A 22-year-old woman developed KS 1 year after renal transplantation, and then developed AML another 4 years later. When KS was diagnosed it was already in extensive stage, and she received ABV combination chemotherapy with doxorubicin plus bleomycin plus vincristine intravenously (i.v.) once daily every 2 weeks. She entered remission but the KS relapsed and 8 cycles of i.v. etoposide monotherapy were given and she re-entered remission. 19 months later, the patient was admitted to hospital with severe malaise, leukocytosis, thrombocytopenia, and anemia. The diagnosis was AML (FABM4). The patient received induction chemotherapy consisting of cytarabine and idarubicin. After completion of this induction therapy she developed neutropenic infection, dyspnea and confusion. Her condition deteriorated rapidly after that, and she died. CONCLUSION KS is one of the most common malignancies in renal allograft recipients, whereas AML is a less frequent problem. To our knowledge, this is the first published case of these two different malignancies developing after renal transplantation. The pathogenesis of the AML is discussed.
Collapse
Affiliation(s)
- S Karakus
- Division of Hematology, Faculty of Medicine, Başkent University, Ankara, Turkey
| | | | | | | | | |
Collapse
|
19
|
Buyukasik Y, Karakus S, Goker H, Haznedaroglu IC, Ozatli D, Sayinalp N, Ozcebe OI, Dundar SV, Kirazli S. Rational use of the PFA-100 device for screening of platelet function disorders and von Willebrand disease. Blood Coagul Fibrinolysis 2002; 13:349-53. [PMID: 12032401 DOI: 10.1097/00001721-200206000-00011] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Two hundred and five patients referred for evaluation of platelet functions and 126 healthy controls were tested with the PFA-100 instrument. A cut-off value of 150 s for collagen/epinephrine (CEPI) closure time (CT) produced most acceptable sensitivity (90%), specificity (85.2%), and positive (82.6%) and negative (91.6%) predictivity values for screening of platelet function disorders and von Willebrand disease (vWD). All patients with vWD and Glanzmann thrombasthenia could be detected by PFA-100. Both CEPI and collagen/adenosine diphosphate (CADP) CTs were elevated in all of these cases. Sensitivity of the device was 81.6% for patients with platelet secretion defects. CADP CT was normal in 63.9% of the patients in this subgroup. Specificity (47%) and positive predictivity (57%) of the instrument were diminished in patients with low hemoglobin concentrations. Depending on the results, an algorithm was developed for screening of platelet function disorders and vWD with PFA-100.
Collapse
Affiliation(s)
- Y Buyukasik
- Department of Hematology, Hacettepe University Medical School, Ankara, Turkey.
| | | | | | | | | | | | | | | | | |
Collapse
|