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Manifestações Oculares De Doenças Endócrinas No Cão
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Abstract(s)
As doenças endócrinas são comuns nos cães, e muitas delas apresentam manifestações oculares. Os
cães com diabetes mellitus desenvolvem frequentemente cataratas, mas também podem apresentar
outras alterações oculares, como queratoconjuntivite seca, edema e úlceras da córnea,
hiperlipidemia ocular e retinopatias. Na síndrome de Cushing podem ser observados
queratoconjuntivite seca, úlceras da córnea, calcificação distrófica da córnea, hiperlipidemia,
síndrome de degenerescência adquirida súbita da retina (SARDS), alterações neuro-oftalmológicos e
retinopatia hipertensiva. Na doença de Addison, a hipercalcemia secundária pode originar
calcificação metastática dos tecidos oculares. O hipotiroidismo pode originar hiperlipidemia ocular,
queratoconjuntivite seca, paralisia facial e retinopatia hipertensiva, enquanto o hipertiroidismo pode
causar retinopatia e calcificação metastática dos tecidos oculares. Distúrbios da glândula paratiróide
podem provocar cataratas em casos de hipocalcemia, ou calcificação metastática se hipercalcemia.
O conhecimento das manifestações oculares de doenças endócrinas é importante porque podem
comprometer a qualidade de vida do animal, e por isso devem ser avaliadas, diagnosticadas e
tratadas o mais precocemente possível. Para além disso, a sua identificação pode também ajudar no
diagnóstico da doença primária.
Endocrine diseases are common in dogs, and many of them present ocular manifestations. Dogs with diabetes mellitus often develop cataracts, but may also present other ocular changes, such as keratoconjunctivitis sicca, corneal edema and ulcers, ocular hyperlipidemia and retinopathies. In Cushing's syndrome, keratoconjunctivitis sicca, corneal ulcers, dystrophic corneal calcification, hyperlipidemia, sudden acquired retinal degeneration syndrome (SARDS), neuro-ophthalmological changes and hypertensive retinopathy can be observed. In Addison's disease, secondary hypercalcemia can lead to metastatic calcification of ocular tissues. Hypothyroidism can cause ocular hyperlipidemia, keratoconjunctivitis sicca, facial paralysis and hypertensive retinopathy, while hyperthyroidism can cause retinopathy and metastatic calcification of ocular tissues. Disorders of the parathyroid gland can cause cataracts in cases of hypocalcemia, or metastatic calcification if hypercalcemia. Knowledge of the ocular manifestations of endocrine diseases is important because they can compromise the animal's quality of life, and therefore must be evaluated, diagnosed and treated as early as possible. Furthermore, its identification can also help in diagnosing the primary disease.
Endocrine diseases are common in dogs, and many of them present ocular manifestations. Dogs with diabetes mellitus often develop cataracts, but may also present other ocular changes, such as keratoconjunctivitis sicca, corneal edema and ulcers, ocular hyperlipidemia and retinopathies. In Cushing's syndrome, keratoconjunctivitis sicca, corneal ulcers, dystrophic corneal calcification, hyperlipidemia, sudden acquired retinal degeneration syndrome (SARDS), neuro-ophthalmological changes and hypertensive retinopathy can be observed. In Addison's disease, secondary hypercalcemia can lead to metastatic calcification of ocular tissues. Hypothyroidism can cause ocular hyperlipidemia, keratoconjunctivitis sicca, facial paralysis and hypertensive retinopathy, while hyperthyroidism can cause retinopathy and metastatic calcification of ocular tissues. Disorders of the parathyroid gland can cause cataracts in cases of hypocalcemia, or metastatic calcification if hypercalcemia. Knowledge of the ocular manifestations of endocrine diseases is important because they can compromise the animal's quality of life, and therefore must be evaluated, diagnosed and treated as early as possible. Furthermore, its identification can also help in diagnosing the primary disease.
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Keywords
Diabetes Mellitus Doença De Addison (Hipoadrenocorticismo) Hiperparatiroidismo Hipoparatiroidismo Hipotiroidismo Manifestações Oculares De Doenças Sistémicas Síndrome De Cushing (Hiperadrenocorticismo) Addison's Disease (Hypoadrenocorticism) Cushing's Syndrome (Hyperadrenocorticism) Diabetes Mellitus Hyperparathyroidism Hypoparathyroidism Hypothyroidism Ocular Manifestations Of Systemic Diseases