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1.
Cureus ; 16(6): e62539, 2024 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-39022483

RESUMEN

Chronic paralysis of the facial nerve leads to degenerative facial muscle and surrounding soft tissue alterations on the involved side, making the affected patients seem older than their actual age. Moreover, contralateral facial hypertrophy worsens facial asymmetry. Correction of the drooping or wrinkled face due to aging, trauma, or other pathology has been successfully treated with the thread-lifting technique. Here, we present the case report of a 23-year-old female patient suffering from oncologic post-surgery complications associated with chronic facial nerve paralysis. She also suffered from old and new cerebellar syndromes on the right side and lesions of the oculomotor, trochlear, and abducens nerves. Based on the patient history, the condition was treated under local anesthesia by the use of APTOS minimally invasive threads with barbs made from non-absorbable material. Correction and sculpting of the affected cheek area were performed by insertion of a light lift needle, and lifting of the superficial fat pads was secured by subdermal insertion of the light lift thread method. The jowl area was lifted by the superficial insertion of both types of threads. As a result, we significantly improved facial symmetry at rest, a more symmetric smile, a lifted corner of the mouth, and an anatomically sculpted cheek appearance.

2.
Bratisl Lek Listy ; 123(9): 625-630, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-36039879

RESUMEN

OBJECTIVES: Most brain cells studies come from cultured rodent brain tissue, so basic questions about the behaviour of cultured adult human glial cells may remain unanswered. BAGROUND: Cells cultured from adult human brain have been poorly defined until now and are often termed "glia-like" based on some morphological similarities with astrocytes. However, the cells in question fail to express glial markers and may be well be of non-glial origin. METHODS: We examined adult human brain and cultures from 10 patients with non-malignant diagnoses. Immunofluorescence methods were used for glial and non-glial cell type identifications. RESULTS: Confluent cultures contained the following: 0.1 % astrocytes, ≤ 0.01 % oligodendrocytes, 2-5 % microglial and 95-98 % "glia-like" cells. Astrocytes tested as followed: GFAP+/Vim+, microglia: Ferr+Vim+, "glia-like" cells: Vim+/Fn+/CK- or CK+. In the brain tissue, astrocytes were GFAP+/Vim+, microglia Ferr+/Vim-, fibronectin expression was restricted to brain vessels. CONCLUSION: This report demonstrates considerable morphological and cytoskelatal dedifferentiation of cultured brain cells. Cytokeratins, specific markers for epithelial cell differentiation, were absent in the brain tissue. However, they were expressed in "glia-like" cells. This finding could be considered glial dedifferentiation given the ectodermal origin of the brain tissue. We suggest that "glia-like" cells come from currently unknown glial progenitor cells scattered through the brain tissue (Tab. 1, Fig. 4, Ref. 19).


Asunto(s)
Astrocitos , Neuroglía , Adulto , Astrocitos/metabolismo , Encéfalo/metabolismo , Células Cultivadas , Proteína Ácida Fibrilar de la Glía/metabolismo , Humanos , Microglía/metabolismo , Oligodendroglía/metabolismo
3.
Bratisl Lek Listy ; 123(10): 697-704, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-35913002

RESUMEN

Kidney carcinoma is currently the tenth most diagnosed tumour in women and the sixth in men. It makes up about 4 % of all malignant tumours. In urology, it is the third most common malignant disease. It is most often diagnosed between the ages of 40 and 60, and its incidence is still rising. Risk factors include: positive family history, high blood pressure, obesity, and smoking. In examining the samples of cancer tissues, histopathological examination methods were used, including biomarkers such as: LRRC3B, TCF21, or cadherins and other markers. The use of imaging methods such as computer tomography and sonography improved the detection ability of an asymptomatic kidney tumour. Due to the expansion of diagnostic methods and the introduction of new techniques in surgical treatment, the paradigm in the surgical treatment of this disease has changed in recent years. In the case of a detailed study of the intracellular structures in the carcinogenic processes, the more profound knowledge about them can lead to the elimination of the need for surgical resection in future (Tab. 7, Fig. 4, Ref. 51). Text in PDF www.elis.sk Keywords: kidney carcinoma, RCC, biomarkers, diagnostics, surgical treatment.


Asunto(s)
Carcinoma de Células Renales , Neoplasias Renales , Adulto , Factores de Transcripción con Motivo Hélice-Asa-Hélice Básico , Biomarcadores , Carcinoma de Células Renales/diagnóstico , Carcinoma de Células Renales/patología , Carcinoma de Células Renales/cirugía , Femenino , Humanos , Neoplasias Renales/diagnóstico , Masculino , Persona de Mediana Edad , Tomografía Computarizada por Rayos X
4.
Gen Physiol Biophys ; 37(4): 619-632, 2018 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-30338761

RESUMEN

Fat-rich diet (FRD) triggers health complications like hypertension, dyslipidemia, hyperglycemia, insulin resistance and non-alcoholic fatty liver disease, known as the risk factors of metabolic syndrome (MetS), which may result in neurological deficits. The impact of MetS on neuronal functions and brain morphology are poorly understood. We induced MetS-like conditions by exposing hypertriacylglycerolemic (HTG) rats to FRD for eight weeks with the aim to study possible neurological dysfunctions. HTG-FRD rats were compared to HTG rats and Wistar rats on standard diet. The physiological status of the animals was monitored by body, liver and kidney weight. Morphology of the liver, vessel wall and hippocampus were investigated. Basal neurotransmission and synaptic plasticity were measured in the hippocampus ex-vivo. A marked increase of liver weight with marks of steatosis was found in the HTG-FRD group. FRD induced an increase of aortic intima-media thickness. Extracellular recording revealed FRD-induced impairment of long-term potentiation (LTP) at Cornu Ammonis (CA)3-CA1 synapse, contrary to increased presynaptic fiber volley (pV). Reduced thickness of pyramidal cell layer at the CA1 area was found morphometrically. LTP was directly associated with kidney weight and inversely associated with liver weight, pV directly correlated with liver weight, liver/body wt ratio and aortic intima-media thickness. Our results suggest correlations between altered physiological status due to MetS-like conditions and neurological deficits, which may be related with consecutive development of so-called metabolic cognitive syndrome.


Asunto(s)
Hipocampo , Síndrome Metabólico , Plasticidad Neuronal , Animales , Grosor Intima-Media Carotídeo , Hipocampo/fisiopatología , Potenciación a Largo Plazo , Ratas , Ratas Wistar
5.
Biomed Res Int ; 2013: 873434, 2013.
Artículo en Inglés | MEDLINE | ID: mdl-23936853

RESUMEN

The recurrent artery of Heubner (RAH) is the largest vessel of the medial lenticulostriate arteries. It supplies many deep structures, mainly the corpus striatum, the globus pallidus, and the anterior crus of the internal capsule. The aim of the present paper was studying the morphological variations of the RAH and its diameter in relation to different areas of origin. The series contained the records from 183 formalin-fixed adult human brains. The calibrated digital images of the studied brains were evaluated and measured by Image J, which can calculate the number of pixels and convert them to metric measures. The RAH arose most often from the postcommunicating part of the anterior cerebral artery (47.81%). It originated from the precommunicating part of the anterior cerebral artery in 3.55% and at the level of the anterior communicating artery in 43.4% of cases. The RAH was missing in 5.19% and doubled in 6.28% of cases. The mean outer diameter of the RAH was 0.6 mm. The maximal measured diameter was 1.34 mm, and the minimal diameter was 0.19 mm. The awareness of the various anatomical and morphometric variations of the RAH is essential in planning the neurosurgical procedures to avoid unexpected neurological complications.


Asunto(s)
Arteria Cerebral Anterior/anatomía & histología , Encéfalo/anatomía & histología , Encéfalo/irrigación sanguínea , Humanos
6.
Artículo en Inglés | MEDLINE | ID: mdl-20208972

RESUMEN

AIMS AND METHODS: In our work we present and describe the variation of the course of the median nerve found in both upper limbs of one of the cadavers in our Institute of Anatomy (Medical Faculty, Comenius University, Bratislava, Slovakia) during the students' dissection of the peripheral nerves and vessels. RESULTS AND CONCLUSION: This non-standard course of the median nerve was compared with a standard course described in the anatomical literature and atlases, and confronted with the variations of the median nerve found and its course described in the available literature. We also provide some clinical implications of such peripheral nerve variability because understanding such anomalies is important in the diagnosis of unexplained clinical signs and symptoms as well as during nerve blocks and certain surgical procedures around the neck and proximal arm.


Asunto(s)
Nervio Mediano/anatomía & histología , Cadáver , Humanos , Masculino , Nervio Mediano/anomalías , Persona de Mediana Edad
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