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UNLABELLED The aim of this study was to characterize the morphology and immunophenotype of ganglion cysts (GCs) and explore their histogenetic origin. MATERIAL AND METHODS A cross-sectional morphological and immunohistochemical study of 354 GCs used the following antibody panel: vimentin, specific actin, β-actin, smooth-muscle actin, smoothelin,(More)
RATIONALE Proliferation and migration of smooth muscle cells (SMCs) are key steps for the progression of atherosclerosis and restenosis. Cortistatin is a multifunctional neuropeptide belonging to the somatostatin family that exerts unique functions in the nervous and immune systems. Cortistatin is elevated in plasma of patients experiencing coronary heart(More)
UNLABELLED Myositis ossificans circumscripta is a form of heterotopic ossification that is benign in nature associated to a trauma, but may appear clinically and radiologically as a malignant neoplasm. We describe a rare case of calcifying of myositis ossificans not associated to trauma in a 35-year-old woman with a mass in her upper third and external of(More)
Porokeratoses are a group of different entities that belong to the skin keratinization disorders. From the histological point of view the main and common characteristic of these disorders is the presence of compact parakeratotic columns known as cornoid lamellae. All varieties should be carefully treated and followed-up because of the risk of developing(More)
A 20-year-old female with a diagnosis of autoimmune encephalitis against N-methyl-D-aspartate receptor was found to have a 13 mm teratoma in the left ovary. The tumor had undergone massive coagulative necrosis within a normal ovary, a previously unreported feature. Necrosis of a mature cystic teratoma is very rare in the absence of ovarian torsion. It is(More)
Renal cell carcinoma is the most common form of malignant renal tumour and is extremely lethal. About 25% of the patients develop metastasis at the time of diagnosis, and in many cases during the course of the disease, affecting the lung, lymphatic ganglions, liver, and bone, with skin metastases being quite rare.A 73-year-old patient, who had undergone(More)
For the histopathologic diagnosis of melanocytic lesions, it could be necessary to identify the melanin pigment because its visualization is unspecific with hematoxylin-eosin (HE). The Fontana-Masson (FM) technique is used in histopathology in this type of lesion, which allows the identification of the pigment, but it loses all the morphologic parameters.(More)
OBJECTIVES Our objectives were to examine vascular and cellular colonization in anorganic bovine bone (ABB) after 6 months of healing in human maxillary sinus augmentation grafts. MATERIAL AND METHODS Fifty unilateral maxillary sinus augmentation procedures were performed on 50 consecutive patients. Bone cores were obtained through the implant receptor(More)
BACKGROUND Melatonin (MLT) is a molecule secreted by the pineal gland in cyclical periods. In mammals, MLT is involved in physiological processes, such as sleep/wake regulation in the circadian cycle. It has antioxidant and anti-inflammatory properties, functions as an immunomodulator, and stimulates bone metabolism. MLT is also involved in tumour processes(More)
BACKGROUND Cardiovascular risk factors have been assessed with some skin diseases such as alopecia and psoriasis. Recently, a case-control study found that lichen planus (LP) was associated with dyslipidaemia in a large series of patients. However, no data were presented about lipid values in patients and controls. OBJECTIVE The objective of this(More)