Publications by authors named "Nihan Acar"

Parathyroid adenoma is the most common cause of primary hyperparathyroidism and rarely reaches huge sizes. As the gland enlarges it may exhibit atypical morphology and extension to the mediastinum which may complicate the excision of the tumor while preserving the capsular integrity. We present a 35-year-old male patient who was referred to our department with a complaint of severe hypercalcemia.

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Background: Idiopathic omental infarction (IOI) is challenging to diagnose due to its low incidence and vague symptoms. Its differential diagnosis also poses difficulties because it can mimic many intra-abdominal organ pathologies. Although hypercoagulability and thrombosis are among the causes of omental infarction, venous thromboembolism scanning is rarely performed as an etiological investigation.

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Von Hippel-Lindau (VHL) disease is an autosomal dominant syndrome and affects many organs. We aim to report an adult patient with VHL disease having bilateral adrenal pheochromocytoma and multiple neuroendocrine tumors of the pancreas who was successfully treated with simultaneous function-preserving adrenalectomy and pancreatectomy. A 27-year-old woman was admitted to hospital with hypertension.

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Lipodystrophy (LD) is an acquired or congenital rare condition consisting of hyperlipidaemia, glucose intolerance/ insulin resistance, and almost complete absence and storage of adipose tissue. Colon perforations can be observed in type 4 congenital LD. Here, we aimed to present a case of sigmoid colon perforation which developed in a young woman with the diagnosis of LD.

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Background: Gastrointestinal stromal tumors (GISTs) are the most common mesencyhmal tumors of the gastrointestinal tract. Today surgical resection is still the treatment of choice for primary gastric GISTs. This study compares the laparoscopic versus open surgical resection approaches of gastric GISTs.

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Objective: To evaluate the clinical, laboratory and imaging data of patients who underwent pancreatoduodenectomy (PD) for proven benign pathologies.

Study Design: Descriptive study.

Place And Duration Of Study: Department of General Surgery, İzmir Katip Celebi University, School of Medicine, Turkey between January 2015 and June 2020.

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Objectives: Although cervical incisions are usually sufficient in mediastinal located thyroid and parathyroid pathologies, sometimes mediastinal approaches are required. In recent years, less invasive methods have been used instead of median sternotomy. In this study, the adequacy of the incision and morbidity in patients who underwent split sternotomy due to retrosternal goiter (RG) and mediastinal parathyroid pathology in our clinic were investigated.

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Background: Accurate preoperative localization of the culprit gland is the key point for the surgical treatment of primary hyperparathyroidism. Conventional imaging techniques (ultrasound and Tc99m sestamibi scintigraphy) are usually adequate for preoperative localization. However, in some patient groups, additional imaging modalities may be required since noninvasive techniques may fail.

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Background/aim: Paget’s disease (PD) of the breast is a very rare presentation of breast malignancy, accounting for 1%–3% of all primary breast tumors. We aimed to evaluate and compare the clinicopathological features and clinical outcome of PD accompanied by in situ carcinoma and invasive cancer.

Materials And Methods: We used the archive of our pathology laboratory retrospectively for age, sex, history of surgery, histopathological findings, treatment modalities, and follow-up information.

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Objectives: Hepatolithiasis (HL) continues to be a problem due to its local and systemic complications, insufficiency in treatment modalities and high risk of recurrence. There are various surgical options available, ranging from endoscopic interventions to a small segment resection and ultimately to transplantation. In this article, patients with the diagnosis of HL and our treatment strategies were evaluated in the light of literature.

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Background: Cholecystectomy is one of the most commonly performed surgical procedures. However, it may result in some unpleasant conditions such as bile duct injury (BDI), bile leak, and vessel injury. Subtotal cholecystectomy (SC), which has been introduced as an alternative method for reducing the complication rates, has been reported to have lower risk of BDI when compared to total cholecystectomy.

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Background: Gallstone ileus (GI) is a rare entity which is seen in 0.5% of patients with cholelithiasis. In this study, we aimed to share our clinical approach to GI, to present our long-term results and to draw clinicians' attention to this rare entity.

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Primary thyroid lymphomas are rare thyroid neoplasms. Mucosa Associated Lymphoid tissue (MALT) lymphoma and diffuse large B-cell Non-Hodgkin lymphoma are the most common types. It is more common in the elderly, and especially in women.

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Objective We aimed to evaluate the role of magnetic resonance imaging (MRI) in the visualization of breast lesions and to estimate whether MRI can be a reliable alternative to mammography (MG) and ultrasonography (USG) for this purpose. Materials and methods In this retrospective, single-center study, an analysis of medical files of 260 patients with breast masses as breast imaging reports and data system (BI-RADS) 4 and 5 at MRI was performed. The features of the breast lump, such as the side, location, multi foci or multicentricity, histopathological diagnosis, contrast-enhancement characteristics, radiological, and pathological axillary involvement, were noted.

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Wandering spleen is a rare condition and has life-threatening complications, such as torsion or infarction. It may be asymptomatic or may present with chronic abdominal pain or intraabdominal mass. Since clinical diagnosis is usually difficult, radiological examinations play a very important role in diagnosis.

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Objectives: The selection of incision type, closure type of incision and the suture material are some of the important factors to prevent hernia development. We should aim to perform the best procedure with the best technique to reduce the risk of recurrence. Surgical options include primary repair and open or laparoscopic repair with mesh.

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Background: Iatrogenic biliary tract injury (BTI) is a rare complication but has high risks of morbidity and mortality when it is not early noticed. Although the treatment varies depending on the size of injury and the time until the injury is noticed, endoscopic and percutaneous interventions are usually sufficient. However, it should be remembered that these interventions may cause major complications in the following years, such as biliary stricture, recurrent episodes of cholangitis and even cirrhosis.

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Background: In recent years, the importance of oncologic principles in colorectal cancer (CRC) surgery has been emphasized in many studies. Although emergency surgery is related to high morbidity and mortality rates, their adequacy and prognosis in maintaining oncologic principles are still controversial. This study aims to compare the clinicopathological features of CRC patients who underwent emergency and elective surgical resection and also to evaluate their compatibility with oncologic principles and to evaluate their short/long term results.

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Recently, individualized approaches for the treatment of locally advanced rectal cancers (RC) have been introduced to determine the most beneficial one for boosting the tumor response and assessing the response more accurately. However, despite each patient and tumor have different molecular features, the studies at the molecular level are very limited. In this study, examining the clinical factors which are predictive of pathologic complete response (pCR), helping to determine a treatment program for the management of patients with locally advanced RC, and evaluating the relation between regression grade and MMR-MSI were aimed.

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Background: Non-traumatic intramural hematomas of the small bowel (IHSB) are rare conditions which occur due to anticoagulant therapy. In this study, we aimed to explain our clinical approach to non-traumatic IHSB due to anticoagulant overdose and to present the long-term outcomes of the cases who were hospitalized.

Methods: Sixteen patients with non-traumatic IHSB were included and their medical records were retrospectively reviewed.

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Background/aims: The anastomotic strictures are one of the most common colorectal surgery complications, and various endoscopic techniques have been defined. Balloon dilation is the most well-known and the simplest procedure. In this article, we aimed to present our series of endoscopic interventions and electroincision management for anastomotic strictures.

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