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Lacrimal sac tumors are rare with epithelial tumors being the most common type. Melanoma of the lacrimal sac is an exceptional finding. Few cases have been reported so far in the literature. We report the case of a sixth year old male, with no pathological background, who was referred to the hospital for chronic dacryocystitis resistant to treatment. Computed tomography dacryocystography and magnetic resonance imaging were performed, in favor of a large mass of the lacrimal sac and lacrimal canal suggestive of melanoma. Biopsy confirmed the diagnosis. PET-CT was positive and showed abnormal activity in the lung, liver and bones, in favor of metastasis., (© 2024 The Authors. Published by Elsevier Inc. on behalf of University of Washington.)

The giant aneurysm of the subclinoid portion of the internal carotid artery is a relatively rare disease that can present serious complications. We present the case of a 40-year-old guy who was suffering from a headache and had complete ophthalmoplegia in his right eye. A brain scan shows a right temporal subdural hematoma, associated with subarachnoid hemorrhage, and total Sylvian subacute ischemic stroke. CT angiography and MRI showed a ruptured and partially thrombosed aneurysm of the subclinoid portion of the right internal carotid artery complicated by subarachnoid hemorrhage, a right subdural temporal hematoma, and total Sylvian ischemic stroke. Our purpose is to recognize the possibility of an aneurysmal rupture when evaluating an acute subdural hematoma, alone or in combination with Ischemic stroke., (© 2021 The Authors. Published by Elsevier Inc. on behalf of University of Washington.)

Bipartite patella is a normal variation in ossification development. This variation is usually asymptomatic but can cause persistent and debilitating anterior knee pain with an injury. We report the case of a 56-year-old man complaining of persistent anterior left knee pain following trauma. Standard knee radiographs show a bilateral Bipartite Patella appearance, and magnetic resonance imaging shows discrete bony edema of the cancellous bone of the accessory bone and about the synchondrosis explaining the anterior knee pain, associated with a crack in the posterior compartment of the medial meniscus. Conservative care including medical treatment with non-steroidal anti-inflammatory drugs, physical therapy was used. Magnetic resonance imaging is the most valuable diagnostic tool for evaluating detailed morphologic and pathologic changes in patients with the bipartite patella., (© 2021 The Authors. Published by Elsevier Inc. on behalf of University of Washington.)