We read with interest the case report on occasional resolution of calcified neurocysticercosis cysts on follow-up brain CT scans by Meneses Quiroz et al.1 In 1985, one of us (PKS) reported 11 patients from India with appearing and disappearing CT lesions and seizures.2 At that time, CT scan technology in India was still primitive and images were of low resolution. We reported both low-attenuation and mixed-attenuation lesions (high-attenuation lesion with perifocal edema) in brain parenchyma. In our patients, CT scan lesions disappeared without any specific therapy other than anticonvulsants, causing us to speculate about the underlying etiology of these lesions. We considered cysticercosis, tuberculosis, cryptic cerebral vascular malformations, a functional rather than a structural lesion (postictal edema), and a focal encephalitis peculiar to the Indian subcontinent as possible etiologies. In hindsight, what we reported in 1985 as appearing and disappearing CT scan abnormalities were calcified cysticercosis lesions.
Disclosures:
N.K. Sethi serves as Associate Editor for The Eastern Journal of Medicine. P.K. Sethi reports no disclosures.
References
- 1.Meneses Quiroz LJP, Gonzales I, Pretell EJ, Saavedra H, Garcia HH; Cysticercosis Working Group in Perú. Occasional resolution of multiple parenchymal brain calcifications in patients with neurocysticercosis. Neurol Clin Pract Epub 2015 May 28. doi: 10.1212/CPJ.0000000000000144. [DOI] [PMC free article] [PubMed]
- 2.Sethi PK, Kumar BR, Madan VS, Mohan V. Appearing and disappearing CT scan abnormalities and seizures. J Neurol Neurosurg Psychiatry. 1985;48:866–869. doi: 10.1136/jnnp.48.9.866. [DOI] [PMC free article] [PubMed] [Google Scholar]