This report describes a primary clitoral adenocarcinoma in a dog with secondary hypercalcemia of malignancy. A 10-year-old, spayed female basset hound was evaluated for a mass protruding from the vulva. The mass was excised, and a histological diagnosis of clitoral adenocarcinoma was made. No evidence of metastasis on thoracic radiographs or abdominal ultrasound was seen. Preoperative hypercalcemia resolved following excision of the mass. Cellular features were similar to an apocrine gland anal sac adenocarcinoma, and immunohistochemistry exhibited features noted with apocrine gland anal sac adenocarcinoma. No further treatment was elected by the owner. Internal iliac lymph-node metastasis was identified 4 weeks postoperatively, and hypercalcemia recurred 8 weeks postoperatively. The dog was euthanized 22 weeks postoperatively for signs related to hypercalcemia, including polyuria/polydipsia, lethargy, and weakness. A necropsy was performed and confirmed the presence of internal iliac lymph-node metastasis. The colon, rectum, and anal sacs were grossly and histologically normal. To our knowledge, this is the first reported case of clitoral neoplasia in the dog.
Background: Stress, whether internal or external, has been shown to play a role in the accumulation of oxidative free radicals which leads to cellular modification of normal organ or body function. Centella lujica (C. lujica) is a commonly cultivated herb with therapeutic benefits in various studies. This study aims to evaluate its beneficial effect on the brain and liver of mice exposed to sleep deprivation-induced stress.Methods: Albino mice were treated with distilled water (control), C. lujica (50 and 100 mg/kg) or astaxanthin (50 mg/kg) for seven days. All groups except control were then subjected to three-days of sleep deprivation using the grid suspended over water model beginning from day 4 of treatment. Behavioural assessments followed by biochemical assays and histological analysis were carried out thereafter.Results: Sleep deprivation caused an increase in blood glucose and triglycerides levels but reduced high density lipoproteins. Brain pro-oxidant levels were increased with a concomitant decrease in antioxidants, recognition memory was diminished while depressive-like symptoms were enhanced and neuronal viability of hippocampal CA1 as well as prefrontal cortex cells was reduced in sleep-deprived mice. However, supplementation with C. lujica reversed these effects as significantly as astaxanthin.Conclusions: C. lujica possesses antioxidant property that makes it an effective adaptogen against stress induced responses in mice.
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