ArticleCureus2025
Neural Crest-Derived Co-localization: A Case of Granular Cell Tumor Arising Beneath a Nevus Spilus.
Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
4 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Granular cell tumors (GCTs) are rare neoplasms believed to originate from Schwann cells, exhibiting immunohistochemical and ultrastructural features consistent with neural crest derivation. Similarly, a nevus spilus (NS) is a pigmented skin lesion composed of lentiginous background macules with superimposed darker macules or papules, also thought to arise from neural crest-derived melanocytes. We report a unique case of a 27-year-old female who presented with a painful subcutaneous nodule on the left medial midback, overlaid by an NS. Surgical excision revealed a lesion consistent with a GCT based on histopathologic evaluation. To our knowledge, this is one of the few reported cases demonstrating spatial co-localization of a GCT and NS. This case raises the possibility of a shared embryologic origin contributing to the concurrent development of both lesions in the same anatomic location. Further research is needed to explore whether this reflects a coincidental overlap or an underlying developmental association between neural crest-derived cutaneous proliferations.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.