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#34524874   // To Up

Functional Organization of Extraocular Motoneurons and Eye Muscles.

Eye movements are indispensable for visual image stabilization during self-generated and passive head and body motion and for visual orientation. Eye muscles and neuronal control elements are evolutionarily conserved, with novel behavioral repertoires emerging during the evolution of frontal eyes and foveae. The precise execution of eye movements with different dynamics is ensured by morphologically diverse yet complementary sets of extraocular muscle fibers and associated motoneurons. Singly and multiply innervated muscle fibers are controlled by motoneuronal subpopulations with largely selective premotor inputs from task-specific ocular motor control centers. The morphological duality of the neuromuscular interface is matched by complementary biochemical and molecular features that collectively assign different physiological properties to the motor entities. In contrast, the functionality represents a continuum where most motor elements contribute to any type of eye movement, although within preferential dynamic ranges, suggesting that signal transmission and muscle contractions occur within bands of frequency-selective pathways.
Anja K E Horn, Hans Straka

2591 related Products with: Functional Organization of Extraocular Motoneurons and Eye Muscles.

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#34524190   // To Up

Differential Diagnosis for the Painful Tingling Arm.

The painful tingling arm is a common presenting complaint for the musculoskeletal physician. The differential diagnosis for upper-extremity pain associated with paresthesias will be the focus of this review. Symptoms are often neurologic in etiology, originating from the spinal cord, nerve root(s), brachial plexus, or peripheral nerve(s). Localizing the pathology starts with a comprehensive understanding of neuromuscular anatomy. It also is imperative to understand the function of these respective structures. The differential diagnosis can be narrowed with a thorough history, including an assessment of sport-specific risk factors, along with a comprehensive physical examination and functional assessment. It is important to determine the sensory distribution of the patient's symptoms. If weakness also is present, the affected muscles must be identified. While the diagnosis can often be made clinically, electrodiagnostics, magnetic resonance imaging, and ultrasound can be used as needed for confirmation and more specific localization. Nonneurologic structures also may be causative or contributory to the patient's symptoms and also should be considered.
Sarah M Smith, Christopher W McMullen, Stanley A Herring

2198 related Products with: Differential Diagnosis for the Painful Tingling Arm.

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#34524166   2021/09/13 To Up

Muscle Involvement Caused by Chronic Active Epstein-Barr Virus Infection on 18F-FDG PET/CT in a Pediatric Patient.

A 7-year-old girl with chronic active EBV (CAEBV) infection-associated hemophagocytic lymphohistiocytosis presented with fever. 18F-FDG PET/CT revealed heterogeneous FDG uptake in multiple muscle groups without significant abnormal activity elsewhere. On repeat FDG PET/CT scan 1 year later after therapy, the abnormal activity in muscles disappeared. Skeletal muscle involvement by CAEBV infection should be included as differential diagnosis for increased muscle activity on FDG PET/CT study.
Xu Yang, Xia Lu, Ying Kan, Wei Wang, Jigang Yang

1699 related Products with: Muscle Involvement Caused by Chronic Active Epstein-Barr Virus Infection on 18F-FDG PET/CT in a Pediatric Patient.

2ug5ug1 Set200 100 25100 μg96/kit1 Set500 tests1001 mL

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#34524045   // To Up

Shoulder pain in a patient with renal cell carcinoma? Suprascapular neuropathy caused by bone metastasis of renal cell carcinoma: A case report.

Pain management is crucial in palliative care for patients with advanced cancer. Here, we report a case of shoulder pain in a patient with renal cell carcinoma.
Jeong-Se Noh, Dong Hyun Kim, Seong-Min Chun, Yoon-Hee Choi

1838 related Products with: Shoulder pain in a patient with renal cell carcinoma? Suprascapular neuropathy caused by bone metastasis of renal cell carcinoma: A case report.



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#34523838   2021/08/19 To Up

[Botox preceding ventral hernia repair: it's not about esthetics].

Ventral hernia is a common complication after laparotomy. The aim during ventral hernia repair is to close the abdomen through medialization of the rectus muscles. Particularly in patients with large ventral hernia, chronically retracted lateral muscles may preclude muscle medialization and therewith closure of the abdomen. A recent development in abdominal wall surgery is the injection of botulinum toxin (botox) in the lateral abdominal wall muscles a few weeks prior to surgery. These intramuscular injections cause a temporary partial paralysis resulting in elongation of the lateral muscles, compared to pre-botox contracted and retracted lateral muscles, and therewith facilitate closure of the abdomen. Despite positive first results only little is known about this new application of botox. In this article we discuss both the technical aspects as well as the current state of this new technique.
Allard S Timmer, Jeroen J M Claessen, Martin V H Rutten, Roel Hompes, Marja A Boermeester

1850 related Products with: [Botox preceding ventral hernia repair: it's not about esthetics].

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#34523093   2021/09/14 To Up

Heavy metals in liver, kidney, brain, and muscle slender-billed gull (Chroicocephalus genei) from south-eastern Iran.

The concentrations of four heavy metals nickel (Ni), cadmium (Cd), lead (Pb), and zinc (Zn) were determined in liver, kidney, muscle, and brain tissues of 40 slender-billed gulls (Chroicocephalus genei) from the Chahnimeh water reservoirs of Sistan and the Oman Sea coast of Iran. There were significant differences between Ni, Cd, Pb, and Zn concentrations observed in the liver and brains of birds from the Oman Sea coast than in the liver and brains of gulls from the Chahnimeh water reservoirs (P < 0.05). Higher levels of Pb, Cd, and Zn were found in the brain and liver of gulls than in the kidney and muscles tissues. There were significant gender differences in heavy metals in liver and brain tissue. In gulls from the coast of Oman Sea, all four elements (Cd, Pb, Ni, and Zn) were positively correlated with levels in all organs, and except for muscle, the elements were positively correlated with the other elements in the other tissues (except Ni in the brain). Thus, the pathways and sources of entry for the elements are similar, and the pathways for accumulation of these elements, and the reactions of different organs of the body to these elements, are very similar. Also, 40% of gulls in Oman Sea coast had levels of lead in the brain (>5 μg g d.w) that were above the adverse effect levels, Ni concentrations in the liver of slender-billed gull in Oman Sea coast (100 %) and Chahnimeh water reservoirs (90 %) were above toxic levels (> 3 μg g d.w), and 80% of Ni concentration in kidneys in gulls from the Oman Sea coast and Chahnimeh water reservoirs were higher than the toxicity levels (> 10 μg g d.w).
Reza Dahmardeh Behrooz, Joanna Burger

1281 related Products with: Heavy metals in liver, kidney, brain, and muscle slender-billed gull (Chroicocephalus genei) from south-eastern Iran.

96 wells 50 UG

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#34522773   2021/04/09 To Up

Retrospective Diagnosis of Malignant Struma Ovarii After Discovery of Pulmonary Metastasis.

Malignant struma ovarii diagnosis is challenging due to its benign histologic appearance and rarity. We present a case of struma ovarii determined malignant after pulmonary metastases were incidentally discovered.
Maham Qureshi, Lielt Derebew, Laura Boucai, Preeti Kishore

1424 related Products with: Retrospective Diagnosis of Malignant Struma Ovarii After Discovery of Pulmonary Metastasis.

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