Woman with vigorexia experiencing severe bilateral vision loss.

We describe a 28-year-old Caucasian female with vigorexy, who had no previous ocular history. She presented with bilateral gradual painless reduction in vision over the past 3 weeks. She had been taking niacin supplements, averaging 500 mg daily, for 7 years. Fundus examination revealed bilateral CME, which was confirmed by ocular coherence tomography scan. Fundus fluorescein angiography did not reveal any fluid leakage. Niacin supplementation was discontinued, and after 2 months, the CME had completely resolved, and the best corrected visual acuities improved to 1 in both eyes.

Langerhans cell histiocytosis mimicking acute dacryocystitis.

Langerhans cell histiocytosis (LCH) is a myeloid neoplasm characterized by clonal neoplastic proliferation of Langerhans-type dendritic cells associated with an inflammatory infiltrate predominantly composed of lymphocytes and eosinophils. In this article, we present an unusual case of LCH with significant swelling in the left lacrimal sac region in a 3-year-old child, clinically mimicking acute dacryocystitis. Microscopically, it showed intense inflammatory infiltrate and histiocytes with irregular nuclei. The tumor cells were positive for S-100 protein, CD1a, and CD207 (langerin). Molecular study was positive for the V600E/E2/D mutation (EXON 15). This case emphasizes the importance of careful clinical, radiographic, and microscopic evaluation, as some neoplasms may mimic common benign lesions.

Un caso inusual de oclusión de rama arterial retiniana: posible variante del síndrome de Sneddon / Unusual case of retinal arterial branch occlusion: Possible variant of Sneddon syndrome

El síndrome de Sneddon (SS) se manifiesta por múltiples accidentes cerebrovasculares y livedo reticularis. La vasculopatía livedoide (VL) se caracteriza por una larga historia de ulceración de pies y piernas y una histopatología que indica un proceso trombótico. Se describe una oclusión de rama arterial retiniana en un varón de 52años con VL. No presentó anomalías de laboratorio perceptibles, como anticuerpos antifosfolípidos, ni antecedentes de accidentes cerebrovasculares. La oclusión de arteria retiniana acompañada de VL podría ser una variante del síndrome de Sneddon. Con angiografía por tomografía de coherencia óptica se observó en la mácula en el ojo asintomático una reducción de las capas vasculares, lo que indica cambios microvasculares localizados como marcador evolutivo en la patogénesis del SS.(AU)

Sneddon's syndrome (SS) manifests through multiple strokes and livedo reticularis. Livedoid vasculopathy (LV) is characterized by a long history of foot and leg ulceration and histopathology indicating a thrombotic process. Arterial retinal branch occlusion is described in a 52-year-old male with LV. He did not present noticeable laboratory abnormalities, such as antiphospholipid antibodies, or a history of strokes. Retinal artery occlusion accompanied by LV could be a variant of Sneddon's syndrome. Optical coherence tomography angiography revealed a reduction in the macula's vascular layers in the asymptomatic eye, indicating localized microvascular changes as an evolving marker in the pathogenesis of SS.(AU)

Unusual case of retinal arterial branch occlusion: possible variant of Sneddon syndrome.

Sneddon's syndrome (SS) manifests through multiple strokes and livedo reticularis. Livedoid vasculopathy (VL) is characterized by a long history of foot and leg ulceration and histopathology indicating a thrombotic process. Arterial retinal branch occlusion is described in a 52-year-old male with VL. He did not present noticeable laboratory abnormalities, such as antiphospholipid antibodies, or a history of strokes. Retinal artery occlusion accompanied by VL could be a variant of Sneddon's syndrome. Optical coherence tomography angiography revealed a reduction in the macula's vascular layers in the asymptomatic eye, indicating localized microvascular changes as an evolving marker in the pathogenesis of SS.

Oclusión de la arteria central de la retina tras inyección facial de ácido hialurónico / Central retinal artery occlusion following facial injection of hyaluronic acid

Mujer de 57 años sin premorbilidades que acude por pérdida de visión súbita e indolora en el ojo derecho (OD). La agudeza visual mejor corregida fue de contar dedos a 10cm. En el OD se observó un defecto pupilar aferente relativo. El examen de fondo de ojo en el OD fue sugestivo de oclusión central de la arteria retiniana. La evaluación sistémica fue normal. Lo más interesante en este caso es que un edema hemorrágico en la región glabelar derecha fue la base de la sospecha diagnóstica. La paciente reconoció la pérdida de visión a las 24horas de la inyección de ácido hialurónico como tratamiento de rejuvenecimiento facial (AU)

A 57-year-old woman with no premorbidities presented with symptoms of sudden painless vision loss in the right eye (RE). Best-corrected visual acuity in the RE was counting fingers to 10cm. A relative afferent pupillary defect was observed in the RE. Ocular fundus examination of RE was suggestive of central retinal artery occlusion. Systemic evaluation was normal. The most interesting fact in this case is that a hemorrhagic edema in the right glabellar region was the basis for the diagnostic suspicion. The patient recognized the loss of vision 24hours after hyaluronic acid injection as a facial rejuvenation treatment (AU)

Central retinal artery occlusion following facial injection of hyaluronic acid.

A 57-year-old woman with no premorbidities presented with symptoms of sudden painless vision loss in the right eye (RE). Best-corrected visual acuity in the RE was counting fingers to. A relative afferent pupillary defect was observed in the RE. Ocular fundus examination of RE was suggestive of central retinal artery occlusion. Systemic evaluation was normal. The most interesting fact in this case is that a hemorrhagic edema in the right glabellar region was the basis for the diagnostic suspicion. The patient recognized the loss of vision 24 h after hyaluronic acid injection as a facial rejuvenation treatment.

Visual acuity loss and sixth nerve palsy as the only manifestations of slit ventricle syndrome.

The case is presented of a girl diagnosed with obstructive hydrocephalus due to pilomyxoid astrocytoma, which required a ventriculoperitoneal shunt (VPS) at the age of 5 years and 10 months. Two months later, magnetic resonance imaging of the brain did not show ventriculomegaly or other signs of increased intracranial pressure. At the age of 6 years and 2 months, a rapid onset of bilateral visual acuity loss developed and she was diagnosed with slit ventricle syndrome. Despite valve revisions of the VPS, she developed an abrupt decline of visual acuity to hand motion at 10 cm. Fundus examination revealed bilateral optic atrophy. She did not report any other systemic symptoms suggesting increased intracranial pressure, such as headache, nausea, vomiting, lethargy, irritability, or altered levels of consciousness.

Pérdida de agudeza visual y parálisis de VI nervio craneal como únicas manifestaciones de un síndrome de colapso ventricular / Visual acuity loss and sixth nerve palsy as the only manifestations of slit ventricle syndrome

Se describe una niña con hidrocefalia obstructiva por un astrocitoma pilomixoide, que requirió implantar una derivación ventrículo-peritoneal (DVP) a los 5 años y 10 meses de edad. Dos meses después, la resonancia magnética cerebral no mostró ventriculomegalia ni otros signos de aumento de la presión intracraneal. A la edad de 6 años y 2 meses desarrolló una rápida disminución de la agudeza visual bilateral siendo diagnosticada de síndrome de colapso ventricular. A pesar de las revisiones valvulares de la DVP, se produjo una disminución abrupta de la agudeza visual a movimientos de mano a 10cm. El examen del fondo de ojo reveló atrofia óptica bilateral. No refirió otros síntomas sistémicos que sugirieran un aumento de la presión intracraneal, como dolor de cabeza, náuseas, vómitos, letargia, irritabilidad o niveles alterados de conciencia.

The case is presented of a girl diagnosed with obstructive hydrocephalus due to pilomyxoid astrocytoma, which required a ventriculoperitoneal shunt (VPS) at the age of 5 years and 10 months. Two months later, magnetic resonance imaging of the brain did not show ventriculomegaly or other signs of increased intracranial pressure. At the age of 6 years and 2 months, a rapid onset of bilateral visual acuity loss developed and she was diagnosed with slit ventricle syndrome. Despite valve revisions of the VPS, she developed an abrupt decline of visual acuity to hand motion at 10cm. Fundus examination revealed bilateral optic atrophy. She did not report any other systemic symptoms suggesting increased intracranial pressure, such as headache, nausea, vomiting, lethargy, irritability, or altered levels of consciousness.

Visual acuity loss and sixth nerve palsy as the only manifestations of slit ventricle syndrome. / Pérdida de agudeza visual y parálisis de VI nervio craneal como únicas manifestaciones de un síndrome de colapso ventricular.

The case is presented of a girl diagnosed with obstructive hydrocephalus due to pilomyxoid astrocytoma, which required a ventriculoperitoneal shunt (VPS) at the age of 5 years and 10 months. Two months later, magnetic resonance imaging of the brain did not show ventriculomegaly or other signs of increased intracranial pressure. At the age of 6 years and 2 months, a rapid onset of bilateral visual acuity loss developed and she was diagnosed with slit ventricle syndrome. Despite valve revisions of the VPS, she developed an abrupt decline of visual acuity to hand motion at 10cm. Fundus examination revealed bilateral optic atrophy. She did not report any other systemic symptoms suggesting increased intracranial pressure, such as headache, nausea, vomiting, lethargy, irritability, or altered levels of consciousness.

Bilateral ankyloblepharon: more than a simple malformation. / Anquilobléfaron bilateral: Algo más que una simple malformación.

"Ankyloblepharon filiforme adnatum" is a congenital anomaly characterized by partial or complete adhesion of upper and lower eyelids. The lid margins remain fused until the end of the fifth month of gestational age. Complete separation usually is completed about the seventh fetal month. Ankyloblepharon may be an isolated manifestation or may be associated with abnormalities in other organs and / or systems. The case is presented on a newborn male with family history of hypohydrotic ectodermal dysplasia (mother and maternal grandfather). It revealed extensible bands of skin in right and in left eye. Apart from this, he presented cleft lip, complete absence of palate, nail and ungueal dysplasia and supernumerary nipples.

Unilateral pattern of macular dystrophy and associated systemic pathology. / Distrofia macular en patrón unilateral y enfermedad sistémica asociada.

Retinal pattern dystrophies are a heterogeneous group of generally bilateral and symmetrical maculopathies that, curiously, can be associated with different systemic diseases. This article describes a patient with unilateral pattern dystrophies, as well as associated McArdle disease and idiopathic pulmonary fibrosis.

Bilateral and multifocal central serous chorioretinopathy after injecting triamcinolone into a chalazion. / Coriorretinopatía serosa central bilateral y multifocal después de inyectar triamcinolona en un chalazión.

We present a case of bilateral and multifocal central serous chorioretinopathy that developed one month after an intra-chalazion triamcinolone acetonide injection. Central serous chorioretinopathy spontaneously resolved during observation 3 months after diagnosis. We believe that central serous chorioretinopathy can occur as a complication of administration of depot corticosteroids even at a low dose.