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Öğe A Case of Perforated Retroperitoneal Appendicitis Mim icking Pyelonephritis(Emergency Medicine Physicians Assoc Turkey, 2024) Cankorkmaz, Levent; Salk, Ismail; Atalar, Mehmet H.; Koyluoglu, GokhanIntroduction: Appendicitis is one of the most commonly diagnosed surgical diseases in childhood with emergency abdominal pain. Retrocecal retroperitoneal appendicitis is uncommon and potentially difficult to diagnose. This condition might present with atypical clinical, and radiological signs. Here, we present a patient with perforated retrocecal appendicitis in whom the clinical findings mimicked acute pyelonephritis. Case Report: A 3-year-old boy presented with right flank pain, fever, and vomiting for two days. The abdomen was soft but the right costovertebral angle tenderness was positive. There was pyuria. The clinical impression was pyelonephritis. Ultrasonography showed perirenal fluid collection but did not show any collections pericecal area. In the Multi-detector CT (MDCT) MDCT a long inflamed retrocecal retroperitoneal appendix was seen with surrounding inflammation that extended to anterior pararenal space, and retroperitoneal air. At surgery, there was retrocecal retroperitoneal appendicitis with perforation and retroperitoneal collection. Appendectomy and drainage were performed. Conclusions: Patients with retroperitoneal appendicitis is that these patients often present with atypical and less severe abdominal complaints. In this situation, MDCT could be a rapid and efficient tool for localizing the appendix and for the differential diagnosis.Öğe Amyand's hernia in the children: A single center experience(MOSBY-ELSEVIER, 2010) Cankorkmaz, Levent; Ozer, Hatice; Guney, Cengiz; Atalar, Mehmet H.; Arslan, Mehmet S.; Koyluoglu, GokhanBackground. The presence of a vermiform appendix in an inguinal hernial sac is termed Amyand's hernia. It may present as a tender inguinal or inguinoscrotal swelling, and it is often misdiagnosed as an incarcerated or strangulated hernia. Methods. Between 1998 and 2006, we have managed 564 patients with acute appendicitis, 1, 090 patients with inguinal hernia, 33 patients with incarcerated. inguinal hernia, and 12 patients with Amyand's hernia on our pediatric surgery service. A retrospective analysis of clinical data of these patients with Amyand's hernia was performed. Results. All patients with Amyand's hernia were boys with a median. age of 40 days (range, 15 days-14 months). One patient's condition was diagnosed pre-operatively. All of them, therefore, underwent emergency operation with a presumptive diagnosis of either incarcerated or strangulated inguinal hernia. Operative findings included 2 normal appendices, 6 inflamed appendices, and 4 appendices with external signs of serosal inflamation of uncertain significance in the inguinal hernial sac. Two patients with a normal appendix had hernia repair without an appendectomy. The other 10 patients with an abnormal appendix underwent an emergency open appendectomy with repair of the inguinal hernia. None of the patients developed recurrent hernia. The median postoperative follow-up period was 2.5 years. Conclusion. In pediatric patients with Amyand's hernia, the inflammatory status of the appendix can be used to determine the type of hernia repair and the operative approach. Incidental appendectomy in the case of a normal appendix is not favored by us. Treatment includes appendectomy (via the hernia sac) and hernia repair in children with an inflamed appendix. (Surgery 2010;147:140-3.)Öğe An interesting journey of a grass inflorescence from broncho to dorsum: case report(Turkish Assoc Tuberculosis & Thorax, 2010) Cankorkmaz, Levent; Koyluoglu, Gokhan; Atalar, Mehmet H.; Guney, Cengiz; Arslan, Mehmet S.An interesting journey of a grass inflorescence from broncho to dorsum: case report A 15-years-old male was presented with hyperemic and painful right flank mass. His medical history was consisted of a treatment for pneumonia and hemoptysia in the other hospital five months ago. Diagnostic X-rays was showed consolidation in the posterobasal segment of right pulmoner lobe and abscess in the paravertebral muscle extending from L4-5 level. The patient was discharged after antibiotic treatment. At the second hospitalization, a grass inflorescence was discharged from the fistula. When the patient was reevaluated his history was consisted of the aspiration of a grass inflorescence eight months ago. To our knowledge, this patient represents the first case of penetration by a grass inflorescence migrated out of the lomber region.Öğe Öğe Cerebral hemiatrophy (Dyke-Davidoff-Masson syndrome) in childhood: Clinicoradiological analysis of 19 cases(BLACKWELL PUBLISHING, 2007) Atalar, Mehmet H.; Icagasioglu, Dilara; Tas, FikretBackground: The purpose of this study was to emphasize the clinical and imaging findings of 19 child cases of cerebral hemiatrophy. Methods:A total of 11 male and eight female patients underwent assessment with computed tomography and magnetic resonance imaging. The patients ranged from 1 to 17 years in age. The evaluated parameters were: location of the lesions, midline structural shift effect, ipsilateral calvarial and parenchymal changes. Results:Left cerebral hemiatrophy was seen in 14 of the cases while right cerebral hemiatrophy was observed in five cases. Unilateral calvarial thickening was seen in 11 cases, hyperpneumatization of paranasal sinuses in five, and hypoplasia of the middle frontal cranial fossa in three patients. Cerebral peduncle atrophy was noted in seven cases. In total, 11 patients had thalamic atrophy and lentiform nucleus hypoplasia. In one case, cerebral hemiatrophy was associated with ipsilateral large schizencephalic cleft and absence of the septum pellucidum, whereas in another case, there was diffuse cerebellar atrophy associated with cerebral hemiatrophy. Conclusions: Computed tomography and, in particular, magnetic resonance imaging are the procedures of choice with respect to assessment of the etiology and extent of cerebral parenchymal involvement in cerebral hemiatrophy.Öğe Computed tomography findings in monostotic fibrous dysplasia of the temporal bone: A report of two cases(ORTADOGU AD PRES & PUBL CO, 2007) Atalar, Mehmet H.; Savas, RecepFibrous dysplasia (FD) is characterized by a progressive replacement of normal bone elements by fibrous tissue. Computed tomography (CT) is the study of choice for diagnosis and follow-up because of its superior bony detail and accurate assessment of the extent of the lesion. In addition, CT can also assist by differentiating FD from other osteodystrophies of the skull base, including Paget's disease, osteogenesis imperfecta, otosclerosis, and osteopetrosis. In this report, we present two cases of FD of the temporal bone associated with CT features with relevance to the literature.Öğe Diffuse cerebrovascular air embolism on CT secondary to cardiopulmonary resuscitation(TURKISH ASSOC TRAUMA EMERGENCY SURGERY, 2007) Atalar, Mehmet H.; Oeztoprak, Bilge; Erdinc, Pmar; Oezuem, UenalAir embolism is known to be a complicating factor in several clinical settings, including thoracic, cardiovascular and neurosurgical operations, central line placement, penetrating thoracic and cranial trauma and haemodialysis. Computed tomography (CT) is useful for showing cerebral air embolism. However, CT demonstration of massive air in all of the major cerebral arteries is extremely rare. In this report, we present a 45-year-old woman with cerebrovascular pneumoangiogram on postmortem CT examination after an unsuccessful posttraumatic cardiopulmonary resuscitation and discuss the possible mechanisms of pneumoangiogram.Öğe Elongated Styloid Process Associated With Nevoid Basal Cell Carcinoma Syndrome(LIPPINCOTT WILLIAMS & WILKINS, 2011) Uysal, Ismail Onder; Atalar, Mehmet H.; Kosar, Mehmet Ilkay; Durmus, KasmThis article presents a case with nevoid basal cell carcinoma syndrome (NBCCS) and an elongated styloid process. Basal cell carcinoma syndrome, also known as Gorlin-Goltz syndrome, is an autosomal dominant inherited syndrome manifested by multiple defects involving the skin, nervous system, eyes, endocrine system, and bones. Elongated styloid process or calcified stylohyoid ligament cause craniofacial or cervical pain. The actual cause of elongation of the styloid process or the calcification of the stylohyoid ligament is unclear. The cause of elongation of styloid process in this case may be the calcification induced by NBCCS. This report is the first case presentation of NBCCS with elongated styloid process. Elongated styloid process might be described as an anomaly of an NBCCS.Öğe Evaluation of the prevertebral soft tissue thickness by magnetic resonance imaging in patients with mild neck problem(Turkish Neurosurgical Society, 2013) OztUrk, Ibrahim; Bulut, Sema; Atalar, Mehmet H.; Salk, Ismail; Ozum, UnalAim: We encountered no study conducted on the evaluation of prevertebral soft tissue (PVST) thickness by magnetic resonance imaging (MRI) during our literature search. Measuring PVST thickness by MRI in the cervical region of adult cases was aimed in the present retrospective study. MaterIal and Methods: For the intended purpose, a total of 136 patients, composed of both males and females, with ages ranging from 20 to 69 years, in whom no pathology in the cervical prevertebral region was revealed by MRI modality implemented for various reasons, were included in the study. Results: The upper limit of normal for PVST thickness was measured in our study to be 10 mm, 7 mm and 20 mm at C1, C2-C3 and C6-C7 vertebral levels, respectively. The least variation in the measurements and standard deviations were obtained at C3-C4 vertebral levels. Upon making a comparison between the measured PVST thicknesses on the basis of gender, the measurements at C2,C4 and C7 were found to display significant difference, whereas that was not the case for the measurements obtained at the other levels. ConclusIon: Progressively widespread use of MRI for the traumas inflicting the cervical region makes it obligatory to specify normal values for the thickness of PVST measured by MRI.Öğe Final Diagnosis of Resisting Asthma: Incomplete Double Aortic Arch with Distal Left Arch Atresia(Derman Medical Publ, 2013) Seker, Emrah; Atalar, Mehmet H.; Yucel, Selma; Varol, Kenan; Sezer, FerhatIncomplete double aortic arch is a rare vascular anomaly. We describe a case of distinctive imaging features of incomplete double aortic arch misdiagnosed as asthma that admitted with dyspnea and dysphagia.Öğe Giant fetal axillo-thoracic cystic hygroma associated with ipsilateral foot anomalies(BLACKWELL PUBLISHING, 2006) Atalar, Mehmet H.; Cetin, Ali; Kelkit, Seref; Buyukayhan, Derya…Öğe Intermuscular hydatid cyst in a 4-year-old child: a case report(W B SAUNDERS CO-ELSEVIER INC, 2007) Cankorkmaz, Levent; Ozturk, Hayati; Koyluoglu, Gokhan; Atalar, Mehmet H.; Arslan, M. SerifHuman Echinococcus infection still remains an important health problem in endemic regions. Primary musculoskeletal Echinococcus infection is very rare without involving the thoracic and abdominal organs. There has been no reported case of intermuscular hydatid cyst in the very early ages of childhood. Here we report a case of a 4-year-old girl with a primary intermuscular hydatid cyst in the left thigh. It was localized between the adductor muscles and iliopsoas muscle. It was removed without destroying the cyst wall and there were no complications. Hydatid cyst should be considered especially in the endemic areas when evaluating cystic masses. Hydatid cyst can be treated by operation. (c) 2007 Elsevier Inc. All rights reserved.Öğe “Leave me alone”: anatomical structures and variations seen on computed tomography of the temporal bone(Colegio Brasileiro de Radiologia, 2023) Atalar, Mehmet H.; Başpınar, Nisa; Atalar, Doğukan EgeThe anatomical structure of the temporal bone is quite complex. There are a great number of anatomical variations that are often confused with temporal bone pathologies, especially fractures. It is important that radiologists and surgeons be able to recognize such variations. © Colégio Brasileiro de Radiologia e Diagnóstico por Imagem.Öğe Magnetic resonance imaging of the brain in children with chronic kernicterus(RIYADH ARMED FORCES HOSPITAL, 2006) Atalar, Mehmet H.; Buyakayhan, Derya; Icagosioglu, DilaraAdvances in perinatal monitoring and early treatment for hyperbilirubinemia in high-risk patients have greatly reduced the incidence of kernicterus. Findings on MRI in patients with kernicterus are characteristic. The most characteristic pattern of neuropathological lesions in kernicterus is symmetric and highly selective involvement of the basal ganglia. In this study, we report the MRI findings in 2 infants with clinical and laboratory evidence of kernicterus.Öğe Middle interhemispheric variant of holoprosencephaly associated with bilateral perisylvian polymicrogyria(BLACKWELL PUBLISHING, 2008) Atalar, Mehmet H.; Icagasioglu, Dilara; Sener, R. Nuri…Öğe Multidetector CT findings of an extraordinary fenestration of the internal jugular vein(AVES, 2012) Atalar, Mehmet H.; Altuntas, E. Elif; Kosar, M. Ilkay; Uysal, IsmailFenestration of the internal jugular vein is a rare malformation. Herein, the authors describe an extreme fenestration of the left internal jugular vein. This anomaly was found incidentally in a 47-year-old male patient undergoing multidetector computed tomography (MDCT) imaging and MDCT angiography evaluation for vertebral artery injury due to cervical trauma. MDCT angiography showed the presence of an extremely large fenestration in the left internal jugular vein.Öğe Orbital Involvement in Cherubism: Computed Tomographic and Three-Dimensional Imaging Findings: Case Report(ORTADOGU AD PRES & PUBL CO, 2010) Atalar, Mehmet H.; Egilmez, Hulusi; Gumus, CesurCherubism is a rare hereditary benign lesion of the mandible that appears in childhood as bilateral painless swellings that progress until puberty, and then spontaneously regress. It was first described in 1933 and referred to as familial multilocular cystic disease of the mandible. These lesions are rarely seen and the diagnosis of the lesion requires the integration of the histopathology with history, clinical course of the disease and the radiographic appearance. Plain radiographs and computed tomography (CT) scan are sufficient for radiological diagnosis. Orbital involvement secondary to cherubism is rare. In this article, we describe CT and three-dimensional (3D) imaging features in two cases with extensive orbital involvement of cherubism.Öğe Radiological findings in massive inguinoscrotal bladder herniation: Scientific letter(Turkiye Klinikleri, 2008) Atalar, Mehmet H.; E?ilmez, Hulusi; Ayan, SemihInguinoscrotal bladder hernia is a rare entity. The bladder may be a component of inguinal hernias in man over the age of 50 years and only a small portion of the bladder is usually involved. Preoperative diagnosis of such hernias is important to avoid injury to the bladder and ureter. Intra-venous pyelography (IVP), retrograde cystography, pelvic ultrasonography (USG) and computed tomography (CT) have been useful in preoperative diagnosis of inguinoscrotal hernia. In this study, radiological findings of two cases with massive inguinoscrotal bladder hernia are presented and the importance of the imaging modalities in preoperative diagnosis is emphasized. Copyright © 2008 by Türkiye Klinikleri.Öğe Radiological findings in massive inguinoscrotal bladder herniation: Scientific letter(ORTADOGU AD PRES & PUBL CO, 2008) Atalar, Mehmet H.; Egilmez, Hulusi; Ayan, SemihInguinoscrotal bladder hernia is a rare entity. The bladder may be a component of inguinal hernias in man over the age of 50 years and only a small portion of the bladder is usually involved. Preoperative diagnosis of such hernias is important to avoid injury to the bladder and ureter. Intra-venous pyelography (IVP), retrograde cystography, pelvic ultrasonography (USG) and computed tomography (CT) have been useful in preoperative diagnosis of inguinoscrotal hernia. In this study, radiological findings of two cases with massive inguinoscrotal bladder hernia are presented and the importance of the imaging modalities in preoperative diagnosis is emphasized.Öğe Thorax CT findings of temporal changes in a case with COVID-19 pneumonia(Bayrakol Medical Publisher, 2021) Atalar, Mehmet H.; Caylak, Halil; Atasoy, Dilara; Cetinkaya, Nazim; Sarlismailoglu, RagipCoronavirus disease 19 (COVID-19), which has recently become a worldwide pandemic with high mortality, causes severe pneumonia. The major routes of transmission of this disease are direct inhalation of respiratory droplets or contact with surfaces contaminated with them. Its definitive diagnosis is made by a real-time PCR test. Radiological methods, especially computed tomography (CT), play an important role in supporting the diagnosis and determining disease stage and complications. In this paper, we report the CT findings of COVID-19 pneumonia at different disease stages in a patient diagnosed with the disease, and we provide a discussion of the relevant literature.
