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Introduction: Thyroid Angiosarcoma is a rare malignant condition of the thyroid gland with higher incidence reported in mountainous Alpine regions (Switzerland, Austria and northern Italy), featured with poor prognosis. Case presentation: A 76 years old male patient presented in our hospital complaining about difficulty in breathing, altered voice (hoarseness), fatigue and dysphagia. Careful observation of the frontal neck region revealed hemorrhaging petechiae and purpura, while palpation indicated a large nodule movable with deglutition, presumably derived by the thyroid gland. Serum biochemical thyroid function tests were normal. Ultrasound of the thyroid gland showed enlargement of the right lobe with a nodular lesion. FNAC indicated a "suspicious for malignancy" lesion. After patient's consensus, total thyroidectomy took place accompanied by excision of infiltrated infrahyoid muscles. The cytopathologic results were positive for primary thyroid angiosarcoma. Patient's postoperative condition was regular, but he died of disease progression 6 months later. Discussion: Angiosarcomas are malignant neoplasms arising from endothelial cells of blood vessels. They are most commonly found in skin, soft tissue, breast, bone, liver and spleen. Angiosarcomas tend to be highly hemorrhaging and invasive. Thyroid gland is a rare location of development. Cytopathologically they are grossly characterized by freely anastomosing vascular channels lined by atypical endothelial cells unusually enlarged, often multinucleated with many nucleoli and vacuoles into the cytoplasm containing fragments of erythrocytes. The immunohistological identity of angiosarcomas are endothelial line markers (CD31, CD34 and vimentin). Surgical excision when feasible is the first line treatment while adjuvant radio-and/or chemo-therapy are ambiguous. Infiltration of surrounding tissues and distant metastasis (lymph nodes and lungs) are negative prognostic factors. [ABSTRACT FROM AUTHOR]

Objective: Rare disease Background: Gastrointestinal stromal tumors (GISTs) are the most common mesenchymal gastrointestinal tumors (GIT). Usually, they appear in patients ages 55-65 years, with no apparent difference between males and females. Their annual incidence is about 11-14 per 106. They generally do not present with any prominent symptoms, appearing with the atypical symptoms of abdominal pain, weight loss, early satiety, and occasionally bleeding. Adequate surgical treatment involves sphenoid resection of the tumor within clear margins. If adjacent organs are involved, en bloc resection is the procedure of choice. Case Report: A 62-year-old male patient presented to the Emergency Department complaining of melena for 1 week. He underwent gastroscopy, colonoscopy and abdominal computed tomography scan, which revealed a large, exophytic, lobular mass (12.6-9.7x12 cm) of the greater curvature of the stomach. The patient underwent en bloc sphenoid gastrectomy, splenectomy, and caudal pancreatectomy. The histopathologic examination revealed findings compatible with a gastrointestinal stromal tumor located at the stomach, with low-grade malignancy (G1) and T4N0 according to TNM classification. He was discharged from the hospital on the 7th postoperative day. Conclusions: GISTs are uncommon tumors of the gastrointestinal system that usually do not invade neighboring organs or develop distant metastases; therefore, local resection is usually the treatment of choice. However, in cases of large GISTs that are adherent to neighboring organs, en bloc resection and resection of adjacent organs may be inevitable. [ABSTRACT FROM AUTHOR]

Background: Gastrointestinal stromal tumors (GISTs) are the most common mesenchymal tumors of the gastrointestinal tract. However, rectal GISTs represent only 5% of this category. We report a case of a rectal GIST treated with local excision after neoadjuvant therapy. Case presentation: A 41-year-old male patient presented with anal bleeding. Colonoscopy revealed a mass located 5 cm from the anal verge. Histological examination showed a GIST with immunohistochemical positivity for CD117 and CD34. Transanal local excision was performed after neoadjuvant therapy. Conclusion: Neoadjuvant immunotherapy for GISTs with unfavorable localization may facilitate local excision and avoid complications of more demanding operations. [ABSTRACT FROM AUTHOR]

Background: Horner's Syndrome is defined by myosis, enophthalmos, lack of sweating and eyelid ptosis, as well as vascular dilatation of one half of the face, caused by damage of the ipsilateral cervical sympathetic chain. It is known that Horner's syndrome is an unusual complication of thyroidectomy and selective lateral neck dissection. Its exact pathophysiology is not totally explained and its treatment remains conservative. Case presentation: A 27-year-old man developed one-sided partial eyelid ptosis, enophthalmos and myosis two hours after a total thyroid gland excision and a selective lateral neck dissection for papillary carcinoma. A clinical diagnosis of Horner's syndrome was formed. He was treated conservatively and presented with an incomplete recovery at a 2-month follow up. Conclusions: The present case report underlines the adjacent anatomical correlation between the thyroid gland, the celluloadipose tissue and the cervical sympathetic trunk throughout thyroidectomy and selective lateral neck dissection. Every surgeon should be familiar with the potential complications in order to preoperatively counsel patients, as well as avoid them during the surgical procedure. [ABSTRACT FROM AUTHOR]

Objective: Unusual clinical course Background: Although diverticular disease is well described and treated in daily clinical practice, there are cases that attract great interest because of their complexity and difficulty in management. Herein, we describe a rare case of colo-colonic fistula-complicated diverticulitis that necessitated urgent surgical intervention. Case Report: A 76-year-old female patient with a known history of diverticular disease of the sigmoid colon presented in the Emergency Department for evaluation of left lower quadrant abdominal pain. The clinical and radiological examinations revealed a recurrent episode of acute diverticulitis of the sigmoid colon. However, it was of great interest that we detected a sigmoido-cecal fistula in the abdominal computed tomography (CT). The patient was admitted to the hospital for conservative treatment. After 48 hours, the patient's clinical status deteriorated, with pain aggravation, abdominal distension, bloating, and metallic bowel sounds. The simple abdominal x-ray revealed large-bowel obstruction and the CT demonstrated worsening inflammation of the sigmoid colon. An exploratory laparotomy revealed an inflamed dolichol-sigmoid colon forming a fistulous tract with the cecum and thus, mimicking a closed loop obstruction. The sigmoid colon was transected en bloc with the sigmoido-cecal fistula and a Hartmann's procedure was performed. Conclusions: This case is extremely unusual as the patient presented at the same time two complications of diverticular disease, both obstruction and this rare formation of sigmoido-cecal fistula. It is presented in order to acquaint surgeons with the possibility of an unexpected course of this disease which indeed necessitates an individualized management. [ABSTRACT FROM AUTHOR]

Objective: Rare co-existance of disease or pathology. Background: Amyand's and Littre's hernias are 2 rare types of inguinal hernias, which constitute less than 1% of all types of hernias. Amyand's hernia is characterized mainly by the presence of a vermiform appendix in an inguinal hernia sac, whereas Littre's hernia includes a protrusion of a Meckel's diverticulum into the hernial sac. Case Report: In this article, we report a case of co-existence of Amyand's and Littre's hernia in the same sac of a groin hernia. To the best of our knowledge, this is the first case report of a patient with the appendix and Meckel's diverticulum inside the hernia sac. Although there was no sign of inflammation, we performed an incidental appendectomy and partial enterectomy. We continued with the repair process with polypropylene mesh using Lichtenstein technique. The patients showed no signs of complication or recurrence of the hernia within 1 year from the day of the surgery. Conclusions: The aim of this article is to present for the first time the occurrence and the repair of a combined Amyand's and Littre's hernia. Additionally, in this study, we were the first to use polypropylene mesh to repair both hernias in an elderly patient after performing appendectomy and enterectomy, avoiding any complications or recurrence of the hernia 12 months following the surgery. [ABSTRACT FROM AUTHOR]