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Very And Rare And Tumors

Shigehiro Kojima, Tsuguo Sakamoto, Yuko Nagai, Masayuki Honda, Fumihiro Ogawa
BACKGROUND: Colorectal metastases from primary colorectal cancers are very rare, and little is known about their epidemiological aspects or the best diagnostic and therapeutic strategies. Herein, we report a case of a 65-year-old woman with suspected metachronous metastasis to the rectum from primary transverse colon cancer. CASE PRESENTATION: The patient underwent a laparoscopic extended right hemicolectomy for primary transverse colon cancer. Histopathological examination showed moderately differentiated adenocarcinoma, and the tumor was diagnosed as stage IIA (T3, N0, M0)...
August 9, 2018: Surgical Case Reports
Alan Todd Blank, Mazdak Khalighi, R Lor Randall, Kevin B Jones
Soft tissue sarcomas are a rare group of mesenchymal malignancies which can range from low to high grade. These tumors have different clinical, radiographic, and histopathological characteristics. Beta human chorionic gonadotropin is a naturally secreted hormone by placental syncytiotrophoblast cells during pregnancy. On very rare occasions, sarcomas can develop the ability to ectopically produce human chorionic gonadotropin. Very few cases exist in the literature of soft tissue sarcomas expressing this hormone...
2018: Rare Tumors
Neha Garg, Kavita Gaur, Vineeta Vijay Batra, Anita Jagetia
Lipidization of the low-grade astrocytic tumor is a very rare phenomenon. We report a case of pilocytic astrocytoma with adipocytic differentiation involving the left cerebellar hemisphere and pontis in an 11-year-old boy. Till date, very few such cases have been reported in children. A young boy presented with a clinical picture suggestive of cerebellar dysfunction since 7 months. Imaging revealed a mass lesion involving the left cerebellar hemisphere measuring 4.5×4.1cm. Subtotal excision of the tumor was carried out...
April 2018: Journal of Pediatric Neurosciences
Guru Dutta Satyarthee
Spinal arachnoid cyst (SAC) constitutes about less than 1% of all spinal tumors. It commonly occurs in third to fifth decades of life and mostly located in the thoracic region. Sacral extradural arachnoid cyst in the pediatric age group is an extremely rare location of occurrence. A such rare case of extradural arvwachnoid cyst of the sacral region, who presented with urinary incontinence is reported. The patient was managed surgically with laminectomy at S1-S3 vertebral level and complete excision of the extradural sacral arachnoid cyst with closure of transdural communication...
April 2018: Journal of Pediatric Neurosciences
Uma Kant Dutt, Ramanathinam Manikandan, Lalgudi Narayanan Dorairajan, Bheemanathi Hanuman Srinivas
Primary renal synovial sarcoma (SS) is a very rare soft-tissue tumor arising from the kidney. These tumors histologically closely resemble other sarcoma variants. Immunohistochemical and cytogenetic techniques remain the cornerstone in achieving the correct diagnosis. Radical surgical excision is the primary treatment for local tumor control and alleviation of symptoms. Adjuvant chemotherapy, at present, has only a limited role. We report a unique case of a 21-year-old young male with the diagnosis of a biphasic renal SS with extensive venous system thrombosis involving the inferior vena cava, bilateral iliac, and femoral vessels which was managed by radical nephrectomy and tumor thrombectomy followed by adjuvant chemotherapy...
July 2018: Urology Annals
Gozde Kir, Billur Cosan Sarbay, Adnan Ozpek
Papillary thyroid carcinoma (PTC) is the most common type of thyroid cancer, whereas primary thyroid lymphoma is very rare. Here, we report a case in which a right-sided nodule measuring 4.3 × 2.2 cm was examined using fine-needle aspiration biopsy. This revealed abundant monomorphic non-cohesive large lymphoid cells without thyroid follicular cells, on which basis acytodiagnosis of lymphoma coincident with lymphocytic thyroiditis was made. Subsequent histologic examination revealed CD45-, CD20+, and Bcl-6 + and cytokeratin-, CD3-, CD5-, and CD30-negative tumor cells arranged diffusely in the whole thyroid coexisting with a separate PTC nodule sized 1...
July 2018: Journal of Cytology
Yohei Okuda, Norihiko Kawamura, Sohei Kuribayashi, Gaku Yamamichi, Masataka Kawamura, Nozomu Kishimoto, Kentaro Takezawa, Go Tanigawa, Koichi Tsutahara, Hiroki Shimazu, Hiroaki Fushimi, Tetsuya Takao, Seiji Yamaguchi
We report two cases of clear cell adenocarcinoma arising in the urethral diverticulum. Case 1 occurred in a 79-year-old woman presenting with complaints of frequent micturition. Magnetic resonance imaging (MRI) revealed a localized urethral diverticular tumor. Transurethral resection of the tumor was performed, and the final histopathological diagnosis was clear cell adenocarcinoma. Anterior pelvic exenteration was performed. She had no recurrence 15 months after surgery. Case 2 occurred in a 79-year-old woman presenting with urinary incontinence...
July 2018: Hinyokika Kiyo. Acta Urologica Japonica
Yi-Ping Li, Koping Chang, Tom Wei-Wu Chen, Shu-Ping Lee, Chi-An Chen, Wen-Fang Cheng
Ewing sarcoma and peripheral primitive neuroectodermal tumor constitute the Ewing family of tumors (EFT). EFTs primarily arising in the ovary are extremely rare. We report the case of a 22-yr-old nulliparous woman with a primary EFT in the ovary that initially presented as a 3-cm teratoma-like ovarian tumor, with rapid progression to a 15-cm-sized tumor with liver metastasis in 3 mo. The patient underwent suboptimal debulking surgery and salvage chemotherapy with vincristine, doxorubicin, and cyclophosphamide alternating with ifosfamide and etoposide...
August 6, 2018: International Journal of Gynecological Pathology
Hee Jin Cho, Junfei Zhao, Sang Won Jung, Erik Ladewig, Doo-Sik Kong, Yeon-Lim Suh, Yeri Lee, Donggeon Kim, Sun Hee Ahn, Mykola Bordyuh, Hyun Ju Kang, Jason K Sa, Yun Jee Seo, Sung Tae Kim, Do Hoon Lim, Yun-Sik Dho, Jung-Il Lee, Ho Jun Seol, Jung Won Choi, Woong-Yang Park, Chul-Kee Park, Raul Rabadan, Do-Hyun Nam
Background: Despite extensive efforts on the genomic characterization of gliomas, very few studies have reported the genetic alterations of cerebellar glioblastomas (C-GBM), a rare and lethal disease. Here, we provide a systematic study of C-GBM to better understand the specific genomic features of C-GBM. Methods: We collected a cohort of C-GBM patients and compared patient demographics and tumor pathologies to supratentorial glioblastoma (S-GBM). To uncover the molecular characteristics, we performed DNA- and mRNA-sequencing, and DNA methylation arrays on 19, 6, and 4 C-GBM cases, respectively...
July 31, 2018: Neuro-oncology
Adriana Albani, Luis G Perez-Rivas, Martin Reincke, Marily Theodoropoulou
Cushing's disease is a rare severe condition caused by pituitary tumors that secrete ACTH leading to excessive endogenous glucocorticoid production. Tumors causing Cushing's disease, also called corticotropinomas, are typically monoclonal neoplasms that mainly occur sporadically. Cushing's disease is very rarely encountered in genetic familial syndromes. Oncogenes and tumor suppressor genes commonly associated with other tumor types are only rarely muted in this tumor type. The advent of next generation sequencing led to the identification of a single mutational hotspot in the ubiquitin-specific protease 8 ( USP8) gene in almost half of Cushing's disease tumors...
August 7, 2018: Endocrine Practice
Sema Büyükkapu Bay, Rejin Kebudi, Ayça İribaş, Ömer Görgün, Fulya Ağaoğlu, Feryal Gün, Alaettin Çelik, Emin Darendeliler
In children and adolescents with chest pain and dyspnea, pneumonia, pleural effusion, and empyema are the frequent causes in the differential diagnosis. Malignant tumors of the chest wall are rare and most originate from the ribs. In children, the most frequent malignant tumor of the rib is Ewing's sarcoma. Osteosarcomas of the rib are very rare. Osteosarcoma has a predilection for rapidly growing long bones including the femur, tibia and humerus in adolescents. In this paper, we present an adolescent girl who presented with chest pain and dyspnea with osteosarcoma that originated from the rib and extended to the right hemithorax...
March 2018: Türk Pediatri Arşivi
Singh Kanwaljeet, Tathagatta Chatterjee
Eccrine spiradenoma is one of the rare adnexal tumors with eccrine differentiation; however, it is considered to have apocrine differentiation. Around 50 cases of eccrine spiradenoma have been reported in the literature. Due to vascularity and painful symptoms, it is often confused with the painful lesions of skin such as glomus tumor and angioleiomyoma. Surgical excision is considered the gold standard for the treatment of these cases, with low rates of recurrence. Here, we present a 52-year-old male who presented with a nodular lesion in the left side of chest for the past 4 years...
October 2017: Indian Journal of Cancer
Yang Gao, Yu-Cong Ma, Yang-Hua Ju, Ya-Nan Li
BACKGROUND: Trisomy 10 is very rarely diagnosed, especially in living persons. Most reports of trisomy 10 pertain to prenatal diagnosis of trisomy 10 in the fetus. In addition, trisomy 10 has been reported as part of partial chromosomal abnormalities in some leukemic cells and tumor specimens. Only 6 cases of mosaicism trisomy 10 have been reported so far. None of these reports pertain to living children with neurological abnormalities. CASE PRESENTATION: We report the case of a 14-month-old girl who was brought for treatment of unusual facies, growth retardation, and patent ductus arteriosus...
August 6, 2018: BMC Pediatrics
Daizo Yaguchi, Motoshi Ichikawa, Hayata Kimura, Masao Ito, Kazuko Watanabe
Chronic expanding hematoma (CEH) is a rare disease that can develop in any region of the body, but it most frequently develops in the thorax. When intrathoracic CEH is left untreated, gradually expanding hematoma can be life-threatening, leading to respiratory failure or hemoptysis. We encountered an 89-year-old man with cardiopulmonary arrest on arrival. He had been healthy, and it was unclear whether CEH had previously been detected. A very large mass was observed on chest computed tomography (CT), but the cause of death could not be determined...
August 6, 2018: Journal of Forensic Sciences
Sophie Turpin, Marjorie Perron, Stéphanie Vairy, Sébastien Bénali, Amélie Damphousse
Pancreatic neoplasm is very rare in the pediatric population. Malignant tumors represent less than 0.2% of pediatric cancer-related mortality. Pancreas lesions can be from exocrine or endocrine origin or present themselves as cystic masses. Clinical, biological, and radiological findings usually are sufficient to establish diagnosis, but in some cases, they may be misleading. We present the case of a young patient presenting a pancreatic mass where anatomical and metabolic characteristics of the lesion were discordant to the final diagnosis...
August 4, 2018: Clinical Nuclear Medicine
Alpesh Goyal, Hiya Boro, Rajesh Khadgawat
Brown tumor is a non-neoplastic fibro-cystic expansile bone lesion caused by parathyroid hormone excess. It has been commonly described in patients with primary hyperparathyroidism and secondary hyperparathyroidism due to chronic kidney disease. However, it is very rare to encounter a brown tumor in the setting of nutritional vitamin D deficiency. We describe the case of a 16-year-old girl who presented with brown tumor-like lytic lesion of femur caused by severe longstanding vitamin D deficiency. Treatment with elemental calcium and cholecalciferol resulted in correction of hyperparathyroid state, with the resultant disappearance of the bony lesion and remarkable symptomatic improvement...
May 31, 2018: Curēus
Gideon Sandler, Andrea Hayes-Jordan
Pediatric chest wall tumors are rare. Malignancies predominate of which sarcomas are the most common. Their resection and the subsequent reconstruction of the chest wall has been a surgical challenge since Dr. Frederick W. Parham published his first comprehensive account on the subject in 1898. Chest wall reconstruction is age, site and pathology dependent, must preserve long term function and cosmesis, must accommodate future growth and development, and must not be a hindrance to adjuvant radiotherapy. Bony reconstruction can be relatively simple or complex involving combinations of synthetic meshes, bioprosthetic materials, steel or titanium constructs, autografts, homografts and porcine or bovine xenografts...
June 2018: Seminars in Pediatric Surgery
Sixte Thierry, Wassila El Alami-Thomas, Sébastien Cazin, Dan Christian Chiforeanu, Sarah Medane, Frédéric Dugay, Solène-Florence Kammerer-Jacquet, Pedram Argani, Brigitte Laguerre, Nathalie Rioux-Leclercq
Low-grade eosinophilic unclassified renal cell carcinoma is a rare kidney tumor recently described, not included in the WHO classification, which is very close to oncocytoma. It is unknown to most pathologists and clinicians. From a histopathological point of view, this tumor is composed of oncocytic cells arranged in a diffuse and solid pattern, without cell nests, that makes it possible to differentiate it from oncocytoma, and expresses cytokeratin 7 (CK7) heterogeneously. We report a case with a cranial vault metastasis, and present the features to differentiate this entity from oncocytoma...
August 1, 2018: Annales de Pathologie
Shuo Sun, Hui Zhou, Zhao-Zheng Ding, Hui Shi
RATIONALE: Pilocytic astrocytoma (PA) is the most common pediatric central nervous system glial tumor. Adult occurrence is rare, especially in elderly adults. How to manage the pilocytic astrocytoma with spontaneous intratumoral hemorrhage in the elderly is still unfamiliar with clinician. PATIENT CONCERNS: Reports of tumors with intratumoral hemorrhage in elderly adults are extremely rare. We report a case of a 62-year-old male diagnosed with cerebellar pilocytic astrocytomas with spontaneous intratumoral hemorrhage...
August 2018: Medicine (Baltimore)
Kalyan Sharma, Sudhir Kumar Yadav, Bimbadhar Valluru, Ling Liu
RATIONALE: Clear cell sarcoma of tendon and aponeurosis (CCSTA) or soft parts is a rare malignant melanin producing tumor entity that is derived from the neural crest cells originating from soft tissues displaying melanocytic differentiation. Diagnosis of CCSTA is difficult as it is dependent on age, size, location, necrosis, calcifications, cystic degeneration, and local to distant metastatic deposits. These tumors have very poor prognosis with a survival rate of 5-10 years because of local recurrence, early to late metastasis to lymph nodes, lungs, bones, and liver...
August 2018: Medicine (Baltimore)
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