• Histological examination of a calcified epidermal cyst reveals a dermal cystic structure. (lww.com)
  • It remains unclear whether calcified epidermal cysts are the result of dystrophic calcification of preceding epidermal cysts that are affected by inflammation followed by cystic dilation, calcification, cyst wall rupture, and granulomatous reactions, 1 or if they are truly idiopathic growths without any triggering factor such as foreign body infiltration, metabolic or hormonal disorder, or trauma. (lww.com)
  • 2 Calcified epidermal cysts reportedly have an eccrine origin. (lww.com)
  • Histological characteristics of the lesion of calcified epidermal cyst on the neck. (lww.com)
  • Calcified epidermal cysts are rare benign entities that were first described in 1947. (lww.com)
  • 6-9 Cutaneous calcified epidermal cysts have been reported on the scrotum, vulva, scalp, subungual area, breast, and heel, but are most commonly located on the scrotum. (lww.com)
  • The entity can also be clinically similar to a common epidermal cyst ( Fig. 2 ). (lww.com)
  • 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)
  • 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)
  • Knowledge of the US features of various splenic lesions will help narrow the differential diagnosis and guide clinical decision-making. (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)
  • 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)
  • 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)
  • Angiectatic blood vessels in the spleen can be congested, but "splenic congestion" is typically a more generalized lesion involving the red pulp sinuses. (nih.gov)
  • Missed splenic rupture or delayed diagnosis is associated with a 10-fold increase in mortality over the rate associated with prompt recognition of injury. (medscape.com)
  • The American Association for the Surgery of Trauma (AAST) splenic injury scale is based on computed tomography (CT) findings, as follows. (medscape.com)
  • Splenic hemangiomas and hemangiosarcomas are neoplasms derived from the splenic vascular endothelium. (nih.gov)
  • A third mechanism for splenic trauma is explosive-type injuries, such as occurs in warfare and civilian bombing. (medscape.com)
  • A FAST exam should be instituted in hemodynamically unstable patients with splenic trauma to assess the degree of both trauma and bleeding. (medscape.com)
  • 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)
  • Ultrasonography is a useful and valuable tool for the detection, diagnosis, and follow-up of splenic abnormalities. (e-ultrasonography.org)
  • Especially if the follicular cyst is growing or painful, your veterinarian may remove the entire mass in a surgery (biopsy). (vin.com)
  • If a follicular cyst grows in size and becomes itchy or painful, your veterinarian may recommend surgery. (vin.com)
  • The classic presentation of splenic injury includes hemodynamic instability, severe abdominal pain, and symptoms of peritonitis. (medscape.com)
  • Therefore, US is widely used and frequently chosen as the first imaging modality for most abdominal imaging, both for general abdominal examinations and for patients suspected of having splenic diseases. (e-ultrasonography.org)
  • Splenic congestion is common, although a cause is not always apparent. (nih.gov)
  • Iatrogenic factors affecting the amount of blood within the splenic sinuses in rats and mice include the manner of death, the method of euthanasia, and necropsy procedures. (nih.gov)
  • Other causes of splenic congestion include cardiovascular disease, mononuclear cell leukemia in rats, and erythrocyte damage secondary to treatment. (nih.gov)
  • Follicular cysts are large bumps, or nodules, on a dog's skin. (vin.com)
  • Follicular cysts do not spread beyond the skin but can become infected . (vin.com)
  • 7. Recurrence after laparoscopic excision of nonparasitic splenic cysts. (nih.gov)
  • 20. Nonparasitic splenic cysts: a case report and review. (nih.gov)
  • epidermoid cysts epithelial lining congenital origin - 80% of nonparasitic splenic cysts. (fliphtml5.com)
  • Top: Axial and sagittal contrast-enhanced arterial phase CT demonstrate 3.9 cm cyst with a thick septation in the tail of pancreas. (ctisus.com)
  • CT scan demonstrated cyst in tail of pancreas. (ctisus.com)
  • Hypotension in a patient with a suspected splenic injury can be a grave sign and a surgical emergency. (medscape.com)
  • Some cysts may be lined by squamous epithelium which may be keratinized. (surgpath4u.com)
  • Pathology demonstrates a cyst lined by squamous epithelium, with lymphocytes and germinal centers in the cyst wall. (ctisus.com)
  • 6. Laparoscopic hand-assisted splenectomy for hydatid cyst. (nih.gov)
  • 3DCT coronal and axial views demonstrate cyst near pancreatic tail with single thick septation. (ctisus.com)
  • The differential diagnosis of a cystic splenic mass is broad and includes a true cyst, posttraumatic pseudocyst, echinococcal cyst, hematoma, prior infarction, pyogenic abscess, and lymphangioma. (surgpath4u.com)
  • Proliferating trichilemmal cyst Proliferating trichilemmal tumor M8110/0 Pilomatrixoma, NOS (C44. (wikipedia.org)
  • Red pulp - venous sinusoids filled with blood and cords of splenic called splenic cords or billroth's cords. (fliphtml5.com)
  • Right: Axial venous phase CT demonstrates pancreatic cyst with a thick septation. (ctisus.com)
  • A large necrotic focus is present within the splenic red pulp, with focal areas of associated hemorrhage (arrowhead) and bordered by an inflammatory infiltrate (arrow). (nih.gov)
  • The American Association for the Surgery of Trauma (AAST) splenic injury scale is based on computed tomography (CT) findings, as follows. (medscape.com)
  • Erythropoietic abnormalities: - Sickle cell anemia → autospleenectomy - Hereditary spherocytosis - Hemolytic anemia - Chronic anemia - Polycythemia vera - Thalassemia - Myeloproliferative disorders Parenchymal Disease Diffuse abnormalities Lymphopoietic abnormalities: - Lymphopoietic leukemias - Lymphoma - Hodgkin's disease Sonographic findings: - There is a diffusely hypoechoic splenic pattern. (fliphtml5.com)
  • Pancreatic cyst fluid did not show evidence of malignant cells and was initially followed. (ctisus.com)
  • White pulp - consists of lymphatic tissue, which forms a sheath around the branches of the splenic artery. (fliphtml5.com)
  • A third mechanism for splenic trauma is explosive-type injuries, such as occurs in warfare and civilian bombing. (medscape.com)
  • If IV contrast is not used with CT, very significant splenic injuries may be missed by the lack of image optimization even with modern multi-detector CT scanning. (medscape.com)
  • All the patients were cured, and 129 patients were followed up from 3 mo to 3 years with the leukocyte phagocytosis test, detection of immunoglubin, splenic CT scan, ultrasonography and Technetium 99m sp lenic scan. (wjgnet.com)
  • Enlarging cyst prompted surgical resection. (ctisus.com)
  • These cysts are usually asymptomatic except in cases with a mass effect. (surgpath4u.com)
  • Diseases included splenic injury in 171 cases, portal hypertension in 9 cases, splenic cyst in 10 cases, and the lesion of pancreatic body and tail in 21 cases. (wjgnet.com)
  • 12. Laparoscopic partial splenectomies for true splenic cysts. (nih.gov)
  • Patient underwent distal pancreatectomy with pathological confirmation of lymphoepithelial cyst. (ctisus.com)
  • Radiology-Pathology Correlation of Posterior Fossa Epidermoid Cyst - A Case Report and Short Review of Literature. (acquaintpublications.com)
  • The cyst lining is composed of a single layer of eosinophilic cells with bland basally situated nuclei. (surgpath4u.com)
  • FNA of lesion demonstrated anucleated squamous cells and rare macrophages consistent with lymphoepithelial cyst. (ctisus.com)