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In a 50-year-old white woman with stage 3 chronic kidney disease in a course of the autosomal dominant polycystic kidney disease (ADPKD), diagnosed with imaging examination of the abdominal cavity (Fig. 1) and arterial hypertension, Sturge–Weber syndrome (SWS) was diagnosed on the basis of cutaneous [1] and ophthalmologic [2] signs (Fig. 2). Both ADPKD and SWS increase the risk of stroke [3]: the former due to increased prevalence of intracranial aneurysms, and the latter due to leptomeningeal angiomas. Therefore, despite the absence of neurologic symptoms, magnetic resonance angiography of the intracranial arteries was performed, which revealed intracranial aneurysm (Fig. 3).
The diagnostic features of SWS include: (1) unilateral facial angioma, known as the port-wine stain, localized in the I, and, less often, in II, and III sensory distribution of the trigeminal nerve, and occasionally involving the neck and trunk, (2) ipsilateral leptomeningeal angiomatosis in the parietal–occipital lobe, and (3) congenital glaucoma in 30–70 % of cases. However, the manifestation of SWS is often partial or incomplete. Therefore, SWS is divided into 3 types: type I, known as classic SWS, with facial and leptomeningeal manifestations and possible glaucoma; type II, in which facial angioma is present, with possible glaucoma, but without intracranial disease; and type III, limited to leptomeningeal angioma [4, 5].
Absence of leptomeningeal angiomas led to the diagnosis of type II SWS in the reported case. Additionally to neurosurgical consultation, patient was referred to the ophthalmologist, as SWS may be connected to the risk of progressive vision loss of the eye ipsilateral to the skin changes due to glaucoma, or complications of diffuse choroidal hemangioma, such as cystoid macular edema, and exudative retinal detachment.
SWS belongs to a group of rare disorders known as phakomatoses. Some of them, like tuberous sclerosis and von Hippel–Linadu syndrome, may be associated with polycystic kidney disease [6]. However, until now, coexistence of SWS and ADPKD has never been reported. The connection between SWS and ADPKD also in our patient is unlikely, especially that three of her sisters have ADPKD, but not SWS.
Summarizing, a patient with morphological features of SWS should be examined for neurologic and ophthalmologic elements of the disease, which may lead to serious complications.
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Open Access This article is distributed under the terms of the Creative Commons Attribution 2.0 International License (https://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Niemczyk, M., Niemczyk, R., Gradzik, M. et al. Sturge–Weber syndrome coexisting with autosomal dominant polycystic kidney disease. Int Urol Nephrol 45, 923–924 (2013). https://doi.org/10.1007/s11255-012-0243-8
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DOI: https://doi.org/10.1007/s11255-012-0243-8