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Ultrasound-Guided Core Needle Biopsy of Breast Lesions: Results and Usefulness in a Low Income Country

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Open Journal of Radiology 2017年第4期7卷 209-218页

作者： mazamaesso tchaou Tchin Darré Pihou Gbandé Massaga Dagbé Akila Bassowa Lantam Sonhaye Lama-Kegdigoma Agoda-Koussema Department of Radiology The University Teaching Hospital of Lomé Lomé Togo Department of Pathology The University Teaching Hospital of Lomé Lomé Togo Department of Obstetrics and Gynecology The University Teaching Hospital of Lomé Lomé Togo

Background: Core needle biopsy (CNB) under ultrasound guidance is an accepted standard of care for the diagnosis of breast lesions. It is safe, cost-effective and minimally invasive compared with surgical excision. Objective: The aim of this study was to evaluate the CNB’s results regarding the procedure, complications, histopathological findings and their correlation with the imaging data and surgical histopathological findings. Method: A cross-sectional prospective and descriptive study of a consecutive series of ultrasound-guided CNB of breast lesions in women conduced from January 2015 to December 2016 at the Sylvanus Olympio university hospital of Lomé, in Togo. Results: There were 72 CNB performed under ultrasound guidance in women;from which 54 were retained for the study. The mean age was 44.9 years ± 9.8. 11.1% had a family history of breast cancer. Lesions were most often palpable (90.7%). They were located in the left breast in 54.7%. Lesions were categorized probably malignant or malignant (Birads 4 and 5) in 70.4% and probably benign (Birads 3) in 29.6%. Their mean size was 24.8 mm ± 7.6 at ultrasound. There were no major complications during the procedure. One CNB (1.9%) considered inconclusive was repeated. Histologically, invasive ductal carcinoma (61.1%) was the most common lesion. Fifty-three women underwent surgical procedure and histopathological confirmation. Ultrasound-guided CNB had a sensitivity of 97.5%, specificity of 100%, positive predictive value of 100%, negative predictive value of 92.8%, and an overall diagnostic accuracy of 98.1%. Breast Imaging Reporting and Data System (Birads) categorization had a sensitivity of 94.8%, specificity of 100%, positive predictive value of 100%, negative predictive value of 87.4%, and diagnostic accuracy of 96.2%. Conclusion: Ultrasound guided CNB represent accurate methods for the characterization of breast lesions, with high values of diagnostic accuracy, sensitivity, specificity and negative predictive value. It does not involve a major complicat

关键词： Ultrasound Core Needle Biopsy Breast Cancer Histology

Intravesical Prostate Protrusion (IPP) versus Middle Lobe Volume on Ultrasonography in Assessing the Impact of Benign Prostatic Hyperplasia

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Open Journal of Radiology 2020年第4期10卷 193-202页

作者： mazamaesso tchaou Judith Mahunan Hounkpevi Pihou Gbande Essodina Padja Tchilabalo Kpatcha Ekoué Gbadoe Tchin Darre Lama Kegdigome Agoda-Koussema Department of Radiology Regional Hospital of Sokodé Sokodé Togo Department of Radiology University Hospital of Lomé Lomé Togo Department of Urology University Hospital of Lomé Lomé Togo Department of Pathology University Hospital of Lomé Lomé Togo

Background: Ultrasound is the main method of exploring the prostate. In benign prostatic hyperplasia (BPH), it provides important morphological information and assesses its impact, helping to guide the treatment. Objective: To compare intravesical prostatic protrusion (IPP) and middle lobe volume by ultrasound in BPH. Method: This was a single center prospective, descriptive and analytical study, over a period of 6 months, including 95 patients, undergoing prostatic trans-abdominal ultrasound. Patients were selected by a single urologist for clinical suspicion of benign prostatic hypertrophy. The ultrasound examination was done by a single senior radiologist. Results: The mean age of the patients was 66.63 ± 11.55 years with ranges from 38 to 98 years. The prevalence of BPH was 76.84%. The rate of patient with middle lobe protrusion was 48.42%. The mean middle lobe volume was 11.29 ± 12.90 ml. More than half of the patients (50.91%) had an IPP stage 3 of. The mean bladder wall thickness was 6.08 ± 2.58 mm, with 50.53% being pathological. The post-voiding residue (PVR) was significant in 38.75% of patients. Renal repercussions were present in 17.89%. The correlation analysis did not note a statistical link between prostate volume and quality of life score (p > 0.05). There was a statistically significant correlation between IPP values and quality of life score (p = 00461), IPSS score (p = 0.0424) and PVR (p = 0.0395). For middle lobe volume, there was a correlation with PVR (p = 0.0018). There was no correlation with clinical impact (quality of life score and IPSS score). Conclusion: The IPP appears to be an easy element to measure and better than the volume of the prostate and the middle lobe in assessing the impact of BPH.

关键词： Benign Prostatic Hyperplasia Ultrasonography Intravesical Prostatic Protrusion Middle Lobe Togo

Extra-Pulmonary Tuberculosis: Retrospective Review of 83 Confirmed Cases, Observed in Radiology in Lomé(TOGO)

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Open Journal of Radiology 2016年第1期6卷 49-55页

作者： mazamaesso tchaou Tchin Darre Komi Edem Mossi Lantam Sonhaye Mohaman Djibril Awereou Kotosso Lama Agoda-Koussema Komlan Adjenou Koffi N’Dakena Department of Radiology Sylvanus Olympio Teaching Hospital of Lomé Lomé Togo Department of Pathology Laboratory Sylvanus Olympio Teaching Hospital of Lomé Lomé Togo Department of Internal Medicine Sylvanus Olympio Teaching Hospital of Lomé Lomé Togo Department of Infectious and Tropical Diseases Sylvanus Olympio Teaching Hospital of Lomé Lomé Togo

Background: Tuberculosis primarily affects lungs, but all organs may be affected. Extra-pulmonary forms of tuberculosis cause a big public health problem as it is diagnosed late. This delay in diagnosis is not only due to the delay in the examination, but also due to difficulties related to extra-pulmonary tuberculosis diagnostic. Aim: To describe the different locations of extra-pulmonary Tuberculosis and its aspects in Togo. Patients and Methods: A retrospective analysis of all extra-pulmonary tuberculosis cases diagnosed by imaging over five years (January 2010 to December 2015) was done. All the cases were confirmed either by direct examination of biological fluids or by histological analysis of biopsy and surgical samples or by culture on specific area. Data were collected from the Department of Radiology, from Microbiology Laboratory of the Pneumo-phthisiology unit and from Pathology Laboratory of Sylvanus Olympio Teaching Hospital of Lomé. Results: A total of 83 cases of extra-pulmonary Tuberculosis had been taken into account: 45 men and 38 women, with a maximum number of cases (66.3%) in the age group between 20 to 40 years old. An HIV infection was known in 51 patients (61.4%). Pulmonary damage was associated in 21 patients (25.3%). A total of 116 extra-pulmonary tuberculosis locations were recorded. Damages were pleural in 37.1% (43), ganglion in 24.1% (28), osteo-articular in 15.5% (18), abdominal in 12.9% (15), military represented 8.6% (10), a case of testicular damage, and a case of mammary tuberculosis. Conclusion: The medical scanning based on conventional radiography, ultrasonography and TDM is indispensable for the diagnosis and the care taking of extra-pulmonary tuberculosis since some locations may be confused with many other diseases and lead to misdiagnosis errors and delay the treatment.

关键词： Extra-Pulmonary Tuberculosis Radiography Ultrasonography Computed Tomography Diagnostic Africa Togo

Biometrics of the Cervical Spinal Canal and Cord by Computer Tomography in Togo

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Open Journal of Radiology 2017年第1期7卷 45-53页

作者： Abdoulatif Amadou Lantam Sonhaye Kossivi Apetse Komlan Amoussou mazamaesso tchaou Bidamin N’timon Kahabilou Atsa Agbangba Gani Watara Komlavi Adjenou Department of Radiology Campus University Teaching Hospital of Lomé Lomé Togo Department of Neurology Campus University Teaching Hospital of Lomé Lomé Togo Department of Radiology Sylvanus Olympio University Teaching Hospital of Lomé Lomé Togo Department of Radiology University Teaching Hospital of Kara Kara Togo

Studies on the canal dimensions of the cervical spinal are rare in Africa. The aim of this study is to provide normal values of the cervical spinal canal and spinal cord dimensions of adult people in Togo. It was about a twelve-year prospective study conducted in the main Hospitals of Campus Teaching Hospital. This study involved people of more than 18 years who neither presented any clinical sign nor rachis defect. The distances measured were antero-posterior 1 (APD1) and inter-pedicular (IPD) of the cervical spinal canal, the antero-posterior 2 (APD2) and the transverse (TD) diameters of the cervical spinal cord, followed with APD2/APD1 (R1) and TD/IPD (R2) research reports. The mean age was 38 +/- 9.34 years old. The average of APD1 of the cervical spinal canal stood at 15.41 ± 0.55 mm, with a minimum of 10.48 ± 0.57 mm and a maximum of 25.00 ± 2.60 mm. The IPD average stood at 23.27 ± 1.67 mm with a minimal average of 13.68 ± 1.46 mm and a maximal average of 33.68 ± 1.46 mm. The average of DAP2 was 11.66 ± 0.66 mm, with a minimum of 10.7 ± 0.66 mm and a maximum of 12.77 ± 0.66 mm. The DT average stood at 15.55 ± 1.54 mm, with a minimal average of 14.03 ± 2.43 mm and a maximal average of 17.63 ± 1.82 mm. The ratio R1 (APD2/APD1) average was 0.80 ± 0.04, with a minimum of 0.76 ± 0.06 and a maximum of 0.85 ± 0.07. The ratio R2 (TD/IPD) average stood at 0.69 ± 0.14, with a minimum of 0.5 ± 0.12 and a maximum of 0.84 ± 0.08. The cervical spinal canal and the cervical spinal cord diameters in Togo are not significantly different from those described above.

关键词： Cervical Spinal Canal Cervical Spinal Cord Biometrics CT Scan-Togo

Mechanical Confining of Sinonasal Anatomic Variants by Computer Tomography in Togo

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Open Journal of Radiology 2017年第2期7卷 85-94页

作者： Abdoulatif Amadou Mawuena Yao Dansou Lantam Sonhaye Komlan Amoussou mazamaesso tchaou Bidamin N’timon Kahabilou Atsa Agbangba Gani Watara Komlavi Adjenou Department of Radiology Campus University Hospital of Lomé Lomé Togo Department of Radiology Sylvanus Olympio University Hospital of Lomé Lomé Togo Department of Radiology University Hospital of Kara Kara Togo

Objective: Determine the frequency of the sinonasal mechanical anatomic variants by CT Scan. Patients and method: Six-month retrospective study concerning sinus CT scans in the registers of Teaching Hospitals’ Imaging Services of Lomé and Kara (TOGO). It involves patients without distinction of sex, of over 15 years without anomaly that can lead to a modification of the normal anatomical configuration of the paranasal sinuses’ cavities. The analysis has been made by only one radiologist. Results: The frequency of mechanical sinonasal anatomic variants stood at 91.87%. The narrowing of the middle nasal turbinate was the variant mostly observed (55.03%), dominated by the deviation of the nasal septum whose frequency was 25.48%. The narrowing of the infundibulum represented 10.80% of population. They were more represented by the Haller cell which displayed a frequency of 3.60%. The variants venturing to narrow the upper nasal turbinate, represented only by extra turbinates, involved 1.02% of the population. The other variants of mechanical sinonasal anatomic variants represented 25.02%. They were dominated by the maxillary sinus septa (11.2%). Our study showed a feminine predominance which is statistically important for Haller cells (p = 0.037) and the ethmoidbulla hypertrophy (p = 0.0036). Conclusion: The anatomic variants of mechanical sinonasal are very frequent in Togo.

关键词： CT Scan Anatomic Variants Mechanical Confining Paranasal Sinuses

Abdominal Gossypibomas: Computed Tomography Scanner Findings of a Series of 15 Cases

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Open Journal of Radiology 2020年第1期10卷 16-22页

作者： mazamaesso tchaou Boyodi Tchangai Djatougbe Fafa Dosseh Pihou Gbande Bereza Kolou Lantam Sonhaye Lama-Kegdigoma Agoda-Koussema Victor Adjenou Department of Radiology University of Lomé Lomé Togo Department of Visceral Surgery University of Lomé Lomé Togo

Background: “Gossypiboma” or “textiloma” refers to accidental retention of textile material in an operated area of the body. Abdominal surgery is most often responsible for this complication. The purpose of our study was to describe the appearance of abdominal gossypibomas on computed tomography (CT) scan images. Materials and Methods: We conducted a retrospective study over ten years (from January 1, 2009 to December 31, 2018) at the Teaching University Hospital of Lomé. We collected all surgically confirmed cases of abdominal gossypibomas with abdominal CT scans. Results: Fifteen cases were compiled, with a sex-ratio of 0.36. The average age of the patients was 34 years. The initial surgery was emergent in nine of 15 cases, 11 of which consisted of gynecological interventions. The gossypiboma symptom incubation period was between 3 days and 3 years. A radiopaque marker was observed via CT scans in three of 15 cases. The gossypiboma appeared encapsulated and spongiform in six cases and cystic in seven cases. There were two cases where the gossypiboma migrated into hollow organs. Conclusion: Abdominal gossypibomas appear polymorphic on CT scans and should be considered in patients who present with an abdominal mass and a history of abdominal surgery, even for absent radiopaque markers.

关键词： Gossypiboma Textiloma Computed Tomography Safety in Surgery Togo

Evaluation of Knowledge of Medical Students of University of Lomé(Togo) on the Contribution of Prostate Biopsy in the Detection of Prostate Cancer

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Open Journal of Urology 2021年第9期11卷 317-325页

作者： Tchilabalo Matchonna Kpatcha Toukilnan Djiwa Albadia Sidibé Edoé Viyomé Sewa Gnimdou Botcho Komi Hola Sikpa Essodina Padja Sassil Daré mazamaesso tchaou Tchin Darré Department of Urology University Teaching Hospital of Kara Kara Togo Department of Pathology University Teaching Hospital of Lomé Lomé Togo Department of Radiology University of Lomé Lomé Togo Department of Urology University Teaching Hospital of Lomé Togo Department of Surgery University Teaching Hospital of Lomé Togo

Background: Prostate cancer is the second leading cause of death from cancer in humans in most developed countries. In Togo, around 59.8% of prostate cancers are diagnosed at an advanced stage because of the insufficient screening in connection with the recent introduction of prostate biopsy and the late generalization of PSA (prostate specific antigen). Objective: This study aimed to assess the knowledge of students from the Faculty of Health Sciences of the University of Lomé on the contribution of prostate biopsy in the diagnosis of prostate cancer. Results: A total of 1017 students filled out the form, with an overall response rate of 95.3%. The range age of the subjects was 24.5 years, and a sex ratio (M/F) of 2.51. The majority of students were license (546, 53.69%). Five hundred and eighty-one (57.13%) of the students had not received any training in prostate cancer. Five hundred and eighty-two students (57.23%) had no knowledge of prostate biopsy. There is a statistically significant link between students’ knowledge of the prostate biopsy and age (OR 1, 95% CI [0.49 - 2.03], p = 0.0001), sex (OR 1, 95% CI [0.33 - 1.08], p = 0.0003), the study cycle (OR 2.5, 95% CI [1.02 - 5.06], p = 0.0047) and the effectiveness of an internship in urology department (OR 1, 95% CI [0.61 - 1.31], p Conclusion: Medical students have little knowledge of the place of biopsy in the detection of prostate cancer. Educational efforts should focus on improving their knowledge so that they can make appropriate decisions in the future.

关键词： Prostate Cancer Biopsy Knowledge Medical Students Togo

Echo-Mammographic and Anatomo-Pathological Aspects of Male Breast Cancer in Togo

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Open Journal of Radiology 2017年第4期7卷 250-258页

作者： Bidamin N’timon Tchin Darré Massaga Dagbé Pihou Gbandé Abdoulatif Amadou mazamaesso tchaou Lantam Sonhaye Samadou Aboubakari Kodzo Selom Edi Lama Kègdigoma Agoda-Koussema Komlavi Adjenou Department of Radiology University Teaching Hospital of Kara Kara Togo Department of Pathology Sylvanus Olympio University Teaching Hospital of Lomé Lomé Togo Department of Radiology Sylvanus Olympio University Teaching Hospital of Lomé Lomé Togo Department of Radiology Campus University Teaching Hospital of Lomé Lomé Togo Department of Obstetrics and Gynecology University Teaching Hospital of Kara Kara Togo

Studies of male breast cancer are rare in Africa. In Togo in particular, no work has focused on the epidemiological, mammo-echographic, pathological, therapeutic or prognostic aspects of male breast cancer. The aim of this study is to report cases of male breast cancer in Togo by describing the main epidemiological, mammo-echographic and pathological aspects. This was a retrospective, descriptive and analytical study of 10 cases of male patients presenting with breast cancer confirmed by the pathologic examination on the echo-guided samples over a period of 6 years in University Teaching Hospital in Lomé. A total of ten patients were retained. The mean age of patients was 55 years with extremes of 39 years and 65 years. All patients had a palpable breast mass. The lesions were classified in 60% American College of Radiology (ACR) 5 and 40% ACR 4. The axillary lymph node invasion rate was 40%. Infiltrating ductal carcinoma was the histologic type diagnosed in all patients. Any breast mass in an elderly male subject is suspected with high predictive value. Mammography ultrasound plays an important role in the diagnosis alongside pathology.

关键词： Male Breast Cancer Mammography-Ultrasound Pathology Togo

Giant Breast Hamartoma: A Case Report in Togo

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Open Journal of Radiology 2018年第1期8卷 30-36页

作者： Bidamin N’timon Tchin Darré Massaga Dagbé Pihou Gbandé Abdoulatif Amadou mazamaesso tchaou Lantam Sonhaye Samadou Aboubakari Dédé Ajavon Akila Bassowa Lama Kègdigoma Agoda-Koussema Komlanvi Adjenou Department of Radiology University Teaching Hospital of Kara Kara Togo Department of Pathology Sylvanus Olympio University Teaching Hospital of Lomé Lomé Togo Department of Radiology Sylvanus Olympio University Teaching Hospital of Lomé Lomé Togo Department of Radiology Campus University Teaching Hospital of Lomé Lomé Togo Department Obstetrics and Gynecology University Teaching Hospital of Kara Kara Togo

We report the case of a 50-year-old patient, who was explored in mammography, ultrasound and CT for a large painful mass of the right breast that had been evolving for 30 years and gradually increasing in size. There was a typical “sausage slice” appearance with clear center macrocalcifications on the mammogram;an aspect of “breast in the breast” on ultrasound. The scanner had made it possible to specify the dimensions of the mass, which measured 21.4 cm in height;18.6 cm wide and 9.5 cm thick. Histology after exeresis noted the adenolipofibromatous nature of the mass.

关键词： Mammography Ultrasound Hamartoma Togo