• Hyperechoic solid lesion is seen in the spleen measuring 19X19X18 mm with no vascularity inside on color Doppler. (radiopaedia.org)
  • The spleen, sometimes called "the forgotten organ" of the abdomen, has received less attention than other abdominal solid organs, as splenic diseases are less common and frequently clinically asymptomatic [ 1 ]. (e-ultrasonography.org)
  • Accessory spleen, which results from a failure of the embryonic splenic anlage to fuse and extreme lobulation that separates splenic tissue, is a normal variant observed in 10%-30% of individuals [ 7 ]. (e-ultrasonography.org)
  • Intrapancreatic accessory spleen (IPAS) may mimic pancreatic neoplasms, but requires no further treatment. (e-ultrasonography.org)
  • We report a case of a middle age woman who underwent spleen-preserving distal pancreatectomy for a symptomatic pancreatic cystic lesion. (symbiosisonlinepublishing.com)
  • Vessels-Sparing, Spleen-preserving distal pancreatectomy is an optimum choice for benign Pancreatic Cystic Lesions. (symbiosisonlinepublishing.com)
  • BACKGROUND: Sclerosing angiomatoid nodular transformation of the spleen is a relatively rare benign vascular lesion in both adult and pediatric age groups with unclear etiopathogenesis and variable clinical presentations. (bvsalud.org)
  • Radiologic assessments revealed a hypoechoic lesion in the spleen with high vascularity, clinically suspected to be lymphoma. (bvsalud.org)
  • Non-parasitic cystic lesions of the spleen are unusual. (annals.edu.sg)
  • The spleen is probably a predilection site of visceral vascular lesions in this syndrome with a proportion of 4 out of 14. (biomedcentral.com)
  • Hence the purpose of this report is to present a case of Maffucci syndrome associated with SANT, a nonneoplastic vascular lesion of the spleen, together with a review of the available English and Chinese literature. (biomedcentral.com)
  • There was also liver and spleen enlargement with a splenic index of 590. (biomedcentral.com)
  • Analysis of ultrasonographic predictive parameters showed a significant association between lesion size and malignant tumors. (biomedcentral.com)
  • Adrenal gland lesions (nodules and masses) commonly develop in older dogs, but surgery is indicated in only a small fraction of such cases, usually in malignant and hormone-secreting tumors [ 13 ]. (biomedcentral.com)
  • While ultrasonography is an effective method for localizing adrenal lesions, standardized ultrasound criteria to distinguish benign from malignant lesions or functional cortisol-secreting from non-functional tumors are lacking [ 12 ]. (biomedcentral.com)
  • The differential diagnosis of a mediastinal mass includes benign and malignant etiologies like lymphomas, thymic tumors, thyroid goiter, infections such as tuberculosis, chronic granulomatous disorders such as sarcoidosis, germ cell tumors, among others. (scientificarchives.com)
  • Tumors of the pancreas that contain substantial cystic components include mainly mucinous cystic neoplasm, intraductal papillary mucinous neoplasm, solid pseudopapillary tumor, and cystadenomas (which encompass microcystic, macrocystic/oligocystic, and rare solid serous adenomas). (hindawi.com)
  • benign tumors do not spread to tissue near them or to other parts of the body. (letswinpc.org)
  • Paraganglioma-like dermal melanocytic tumor is a rare subtype of benign dermal melanocytic tumors. (biomedcentral.com)
  • Lesions based on histology were classified as cortical adrenal hyperplasia ( n = 67), adenocarcinoma ( n = 17), pheochromocytoma ( n = 10), metastases ( n = 7), adrenal adenoma ( n = 4), and adrenalitis ( n = 4). (biomedcentral.com)
  • Microcystic adenoma of the pancreas is a tumor that is benign in nature. (hindawi.com)
  • The lesion was highly vascular on intraoperative analysis and was left alone at that time with a fine needle aspiration cytology evaluation, which was later confirmed to be that of benign microcystic adenoma. (hindawi.com)
  • 800 patients) North American studies in which participants with adenoma(s) had a baseline colonoscopy (with intent to remove all visualised lesions) and were followed with subsequent colonoscopy. (bmj.com)
  • All benign lesions showed positive immunoreaction, with the staining index varying from 6-9, except lactating adenoma. (ijpmonline.org)
  • Therefore, this pictorial essay elucidates the US findings of various splenic lesions, in correlation with computed tomography (CT) or magnetic resonance (MR) imaging and pathology. (e-ultrasonography.org)
  • Computed Tomography (CT) of a solitary cystic lesion in the tail of the pancreas. (symbiosisonlinepublishing.com)
  • 2 With the increased availability of high resolution ultrasonography, computed tomography (CT), and magnetic resonance imaging (MRI), incidental adrenal lesions are increasingly reported. (bmj.com)
  • Pseudocysts are the most common pancreatic cystic lesions. (symbiosisonlinepublishing.com)
  • In this study, we present an 18-year-old man, with Burkitt's lymphoma who underwent laparotomy and total splenectomy as a result of cystic lesions discovered accidentally during imaging with the final diagnosis of splenic lymphangioma after histopathological evaluation. (bvsalud.org)
  • Axial contrast-enhanced CT images showing a well defined, encapsulated cystic lesion arising from the pancreas. (symbiosisonlinepublishing.com)
  • SPPT) is a rare exocrine pancreatic neoplasm, tumor' of the pancreas.4 not conflict of interests. (bvsalud.org)
  • Eleven years ago, the patient underwent an open laparotomy for complicated symptomatic gall stone disease and was incidentally detected to have a space occupying lesion of the head of pancreas. (hindawi.com)
  • Patients with lesions of the pancreas should find a surgeon they trust and do not need to be concerned with the operative approach used for their resection. (biomedcentral.com)
  • The purpose of this review is to examine the role of robotic surgery as it is now practiced in the management of lesions of the pancreas. (biomedcentral.com)
  • Skin lesions will most commonly involve the trunk, scalp, and legs. (wikipedia.org)
  • Six months after the end of treatment, he developed hemolytic anemia and papular violaceous skin lesions in his upper limbs where a biopsy revealed KS. (biomedcentral.com)
  • As nodular shape was associated with benign lesions and irregular enlargement with malignant ones, this parameter could be used as diagnostic tool. (biomedcentral.com)
  • Many benign and also malignant splenic masses could mimic sclerosing angiomatoid nodular transformation, both clinically and radiologically. (bvsalud.org)
  • CONCLUSION: Although sclerosing angiomatoid nodular transformation is exceedingly rare in children, it should be considered a differential diagnosis in pediatric splenic neoplasms with concurrent hematologic manifestations, such as anemia. (bvsalud.org)
  • In addition, there were two tender soft-tissue masses, perhaps venous malformation, on the lateral side of the right foot (Fig. 1a ) Apart from those, firm multiple nodular lesions were found on the extremities, especially on the fingers and toes (Fig. 1b and c ). (biomedcentral.com)
  • Malignant neoplasms show a greater degree of anaplasia and have the properties of invasion and metastasis, compared to benign neoplasms. (lookformedical.com)
  • Excision of the lesion was performed, and fifteen months of follow-up have shown no recurrence or metastasis. (thedoctorsdoctor.com)
  • These benign cysts may appear similar to cystic neoplasms and would need to be evaluated by CT, MRI +/- Endo-luminal Ultrasound (EUS). (symbiosisonlinepublishing.com)
  • Calcified epidermal cysts are rare benign entities that were first described in 1947. (lww.com)
  • Incidental identification of soft-tissue calcifications may lead to ultrasonic evaluation to differentiate benign lesions from calcification in a neoplasm. (medscape.com)
  • Contrast administration may demonstrate enhancement of a primary neoplasm at the time of presentation, but it must be compared with a noncontrast image to differentiate hemorrhage from neoplasm. (medscape.com)
  • The study was unable to establish definitive ultrasound criteria to differentiate benign from malignant lesions owing in part to the small sample size [ 12 ]. (biomedcentral.com)
  • This antibody is also used as a component of panels to differentiate benign and malignant breast lesions. (ijpmonline.org)
  • Endometriosis is a common benign disease among women of reproductive age and affects the intestinal tract in 15%-37% of all patients with pelvic endometriosis [3]. (blogspot.com)
  • There are four main types that make up the structure and functions of lymphoid tissue, such as lymph nodes and splenic tissue. (wikipedia.org)
  • Abnormal growths of tissue that follow a previous neoplasm but are not metastases of the latter. (lookformedical.com)
  • The most common soft tissue lesion in the mesentery is a desmoid tumour. (sajr.org.za)
  • Its noninvasiveness, extensive range of application, and low cost make US a useful and valuable tool for the detection, diagnosis, and follow-up of splenic abnormalities. (e-ultrasonography.org)
  • Concomitantly with the increasing frequency of imaging, more splenic lesions are being discovered and the requirements for the differential diagnosis are rising. (e-ultrasonography.org)
  • Knowledge of the US features of various splenic lesions will help narrow the differential diagnosis and guide clinical decision-making. (e-ultrasonography.org)
  • Ultrasonography is a useful and valuable tool for the detection, diagnosis, and follow-up of splenic abnormalities. (e-ultrasonography.org)
  • However, with the increasing frequency of imaging and advances in imaging technology, more incidental splenic lesions are being discovered and the subsequent requirements for the differential diagnosis are growing. (e-ultrasonography.org)
  • The case was reviewed at the specialist Multi-Disciplinary Meeting (MDM) and based on morphology, age and gender, a provisional diagnosis of benign or low grade malignant cyst was entertained. (symbiosisonlinepublishing.com)
  • Abnormal appearance of structural features on ultrasound images (e.g., adrenal gland lesion size, shape, laterality, and echotexture) may aid in diagnosis, but these features alone were not pathognomic. (biomedcentral.com)
  • In the present study involving a large sample of dogs, we asked which ultrasound characteristics of adrenal lesions could predict for malignancy and how accurate ultrasound diagnosis (specificity and sensitivity) was as compared with histopathological diagnosis. (biomedcentral.com)
  • The preoperative diagnosis of splenic lymphangioma is challenging. (bvsalud.org)
  • Characteristics of the cells may not be sufficient in many instances to yield a definitive diagnosis or indicate the probable behavior of the lesion. (merckvetmanual.com)
  • Colonoscopy is the gold standard procedure for the diagnosis and treatment of several colonic disorders including benign and malignant neoplasms. (gastrores.org)
  • The diagnosis of Hairy Cell Leukemia and HCL-like diosrders, including HCL variant (vHCL) and Splenic Diffuse Red Pulp Lymphoma (SDRPL), is based on the examination of the peripheral blood and bone marrow smears allowing the identification of hairy cells and the flow cytometric analysis. (fortuneonline.org)
  • Knowledge of imaging characteristics of various mesenteric lesions helps in timely diagnosis and management. (sajr.org.za)
  • Schwannoma (neurilemoma) is a benign tumor of neural crest-derived Schwann cells usually found on the extremities. (jamanetwork.com)
  • Bilaterality of adrenal lesions was a useful ultrasonographic criterion for predicting benign lesions, as cortical hyperplasia. (biomedcentral.com)
  • Reactive angioendotheliomatosis (RAE) is a rare benign cutaneous vascular proliferation characterized by intravascular hyperplasia of endothelial cells and tuft-like proliferation of vessels. (thedoctorsdoctor.com)
  • It showed a mass lesion in the right atrium near intra atrial septum about 4 × 3 cm in diameter. (fortunejournals.com)
  • Multiple fine needle aspiration cytology of the mass lesion was done at various hospitals outside, before presentation to our facility. (hindawi.com)
  • Conversely, HCL-like disorders including HCL-Variant (vHCL) and Splenic Diffuse Red Pulp Lymphoma (SDRPL) remain provisional entities. (fortuneonline.org)
  • Splenic marginal zone lymphoma with circulating villous lymphoid cells (SMZL) is a distinct and very different pathological entity since the WHO 2008 classification: it is characterized by an expansion of the splenic white pulp with the infiltration of the red pulp. (fortuneonline.org)
  • Diagnosing hematolymphoid neoplasm by evaluating fine-needle aspiration (FNA) cytology sample is controversial and requires experience and clinical skills. (cytojournal.com)
  • Reactive angioendotheliomatosis (RAE) is a benign cutaneous vascular disorder characterized by a distinct histologic and clinical appearance. (thedoctorsdoctor.com)
  • A high index of suspicion should be maintained with an aim of surgical treatment for selected patients with large and symptomatic adrenal lipomatous lesions. (bmj.com)
  • Myelolipoma is included as one of the differential diagnoses for incidental adrenal lesions. (bmj.com)
  • Most were discovered as incidental adrenal lesions. (bmj.com)
  • Ultrasonography to visualize adrenal gland lesions and evaluate incidentally discovered adrenal masses in dogs has become more reliable with advances in imaging techniques. (biomedcentral.com)
  • The goal of our study was to investigate which ultrasound features of adrenal gland abnormalities could aid in discriminating between benign and malignant lesions. (biomedcentral.com)
  • Ultrasonographic examination showed high specificity (100%) but low sensitivity (63.7%) for identifying the adrenal lesions, which improved with increasing lesion size. (biomedcentral.com)
  • In the dog, only one study to date has compared the ultrasonographic appearance of adrenal lesions with their histopathological characteristics. (biomedcentral.com)
  • It is usually found around the splenic hilum or ligaments, pancreatic tail, or sometimes in the pancreatic parenchyma [ 7 ]. (e-ultrasonography.org)
  • A large heterogeneous mass with a fluid-filled center occupies most of the abdominal cavity and appears confluent with the splenic tail (black arrow). (avma.org)
  • Imaging studies revealed a mixed neoplasm neoplasia inusual in the pancreatic body and tail. (bvsalud.org)
  • Cancer in the body and tail may cause splenic vein obstruction, resulting in splenomegaly, gastric and esophageal varices, and gastrointestinal hemorrhage. (msdmanuals.com)
  • A primary malignant neoplasm of epithelial liver cells. (lookformedical.com)
  • Although primary neoplasms arising in the mesentery are rare, the mesentery is a major avenue for the dissemination of tumours, which can spread through hematogenous, lymphatic, direct or peritoneal seeding. (sajr.org.za)
  • Secondary involvement of the mesentery from tumours elsewhere is much more common than primary mesenteric neoplasms such as desmoid tumour, inflammatory myofibroblastic tumour (IMFT), and others. (sajr.org.za)
  • Primary mesenteric solid neoplasms are rare and the majority of them are benign. (sajr.org.za)
  • Lesion size was the most direct ultrasound predictive criterion. (biomedcentral.com)
  • The aim of this article is to describe the spectrum of imaging findings of the various mesenteric lesions using ultrasound and CT. (sajr.org.za)
  • Understanding the characteristic radiological patterns on ultrasound (USG) and CT offers valuable insights for differential diagnoses of mesenteric lesions and their treatment. (sajr.org.za)
  • It ranges from a well-differentiated tumor with EPITHELIAL CELLS indistinguishable from normal HEPATOCYTES to a poorly differentiated neoplasm. (lookformedical.com)
  • una neoplasia mixta en el cuerpo y cola pancreática. (bvsalud.org)
  • The malignant lesions comprised three cases of ductal carcinoma in situ (DCIS) and 22 cases of infiltrating ductal carcinoma, not otherwise specified, IDC (NOS). (ijpmonline.org)
  • Among the IDC (NOS) lesions, six cases of grade III breast carcinoma exhibited a positive immunohistochemical reaction, the staining index of which varied from 2-6. (ijpmonline.org)
  • Surgical excision is usually sufficient because of the relatively benign behavior of SANT, however, a more aggressive follow-up is proposed due to the high risk of malignant transformation of enchondromas and development of other neoplasms associated with this syndrome. (biomedcentral.com)
  • Most patients are asymptomatic, but in large and multifocal lesions, the patient may have some nonspecific symptoms such as abdominal pain, abdominal distention, nausea, vomiting, and loss of appetite. (bvsalud.org)
  • Although the unicentric or localized form presents as benign, the multifocal form can manifest severe systemic symptoms. (biomedcentral.com)
  • These symptoms are shared by pathologies of other abdominal organs and it is therefore very difficult to identify mesenteric lesions clinically. (sajr.org.za)
  • US, noncontrast CT scan studies, and MRI usually demonstrate the acute hematoma, but they may initially miss an underlying neoplasm. (medscape.com)
  • C-4: Splenic vein thrombosis of the same patient is marked by arrows. (medscape.com)
  • We classified 30 cancers (52%) as probable missed lesions, 11 (19%) as possibly related to incomplete resection of an earlier, non-invasive lesion and 14 (24%) as probable new lesions. (bmj.com)
  • Histological characteristics of the lesion of calcified epidermal cyst on the neck. (lww.com)
  • Splenic lymphangioma is a rare tumor. (bvsalud.org)
  • The presence of visceral vascular lesions in this syndrome is exceedingly rare. (biomedcentral.com)
  • A variation of this syndrome with the presence of visceral vascular lesions is exceedingly rare as most of the lesions manifest themselves in subcutaneous areas. (biomedcentral.com)
  • Benign tumor are usually leimyomas, and extremely rare & usually asymptomatic. (nursingipd.com)
  • Reactive angioendotheliomatosis is a rare benign process that has been mainly described in patients with systemic infections, such as subacute bacterial endocarditis or tuberculosis, and in association with intravascular deposition of cryoproteins. (thedoctorsdoctor.com)
  • Characterization of benign cystic adenomas from cystadenocarcinomas has been extremely difficult. (hindawi.com)
  • It is mostly benign and is characterized by non-neoplastic lymph node hypertrophy, associated with infection by human herpesvirus-8 in people with the human immunodeficiency virus/acquired immunodeficiency syndrome. (biomedcentral.com)
  • Endometriosis usually becomes apparent in the reproductive years when the lesions are stimulated by ovarian hormones. (blogspot.com)
  • Dendritic cell neoplasms are classified by the World Health Organization as follows: Langerhans cell histiocytosis Langerhans cell sarcoma Interdigitating dendritic cell sarcoma/tumor Follicular dendritic cell sarcoma/tumor Dendritic cell sarcoma The exact incidence of LCS is unknown due to the rarity of the condition. (wikipedia.org)
  • In this pictorial essay, we introduce the representative US findings of many different splenic lesions, including normal sonographic findings, normal variants and congenital anomalies, infectious conditions, benign and malignant neoplasms, and non-neoplastic lesions. (e-ultrasonography.org)