Dear editor, Horner's syndrome (HS) results from interruption of sympathetic nervous supply to the eye and manifests clinically with partial ptosis, miosis and enophthalmos, along with anhidrosis of face on the affected side. [1] HS is not an uncommon finding in patients visiting emergency department (ED), being reported in those with brainstem strokes, myelitis, malignancies of lung and thyroi...

Upper limp hyperhydrosis is an idiopathic disease with bilateral involvement. However, Pourfour du Petit syndrome, the opposite of Horner syndrome, may result in unilateral upper limb hyperhydrosis. It occurs following hyperactivity of the sympathetic cervical chain as a consequence of irritation secondary to trauma. We report herein two cases with Pourfour du Petit syndrome showing unilateral ...

Escola Paulista de Enfermagem, Universidade Federal de São Paulo, São Paulo, SP, Brazil. Conflicts to interest: none to declare. Abstract Objective: To evaluate the incidence of postoperative complications and mortality among patients submitted to elective or non-elective neurosurgery. Methods: Prospective cohort study in adult patients, followed from preoperative period until hospital discharg...

A 36-year-old woman reported right eyelid drooping immediately after anterior cervical discectomy and fusion. Examination 2 weeks later revealed right miosis and right ptosis (figure, A). Instillation of one drop of 0.5% apraclonidine in both eyes resulted in reversal of anisocoria and resolution of ptosis (figure, B). Apraclonidine, a selective 2 agonist used to reduce intraocular pressure, ha...

We report a case of anisocoria in a 6-year old child who felt out of an inflatable swimming pool in the garden. After instillation of pilocarpine 1% the dilated pupil constricted, which is an important clinical sign associated with intracranial trauma. There was evidence of exposure to angel's trumpet (Brugmansia arborea), a plant known to contain anticholinergic substances. As the results of f...

In pharmaceutical companies and research institutes, many toxicity tests are performed with laboratory animals. This study was performed to produce reference data for eye toxicity tests and to investigate the ophthalmic diseases of 408 ICR mice and 119 BALB/c mice, which are commonly used as subjects in toxicity tests. The experimental animals without clinical disorders were selected regardless...

Central pontine myelinolysis (CPM), which was originally considered to be the result of rapid correction of chronic hyponatremia, is not necessarily accompanied by hyponatremia or drastic changes in serum sodium level. Here, we report a case of an anorexic 55-year-old male with a history of pharyngo-laryngo-esophagogastrectomy, initially hospitalized with status epilepticus. Although his consci...