Publications by authors named "D Kolev"
Article Synopsis
- * A case study describes a 41-year-old man with malignant melanoma who developed acute paraplegia due to a fracture in his spine caused by a metastatic lesion.
- * Emergency surgery successfully relieved his spinal compression, leading to a quick recovery in motor and sensory functions, emphasizing the importance of early diagnosis and treatment in such cases.
Article Synopsis
- * A 71-year-old woman initially thought to have a hemorrhagic stroke was later diagnosed with a pituitary macroadenoma with apoplexy after CT and MRI imaging.
- * Surgical treatment led to her complete recovery within days, highlighting the importance of using MRI for accurate diagnosis and timely intervention in cases that can mimic a stroke.
Intracranial metastasis disease (IMD) has proven to be a frequent secondary occurrence, usually for primary cancers such as lung, breast, and melanoma, which have a high possibility of metastasizing to the brain. Due to the reasons listed above, treatment and early diagnosis are incredibly challenging. In the past decade, medicine has developed much better imaging solutions and radiological and surgical approaches, increasing the postoperative survival prognosis and achieving more time-efficient results.
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- The paper analyzes the atmospheric channel model for GEO satellite-to-ground optical links using the LUCAS system.
- It explores the impacts of misalignment fading and different atmospheric turbulence conditions on communication quality.
- Results indicate that the model aligns well with theoretical expectations and evaluates key characteristics like coherence time and probability of fade under varying turbulence.