The article by Alexiev et al highlights the importance of diagnostic recognition, ancillary molecular genetic testing, and close clinical follow-up of patients with melanotic schwannoma
. Deeken-Draisey et al review current procedural terminology (CPT) coding for surgical pathology, highlighting that the appropriate extent of physician involvement in CPT coding is a matter of some debate, and a multidisciplinary approach involving both health care providers and professional coders appears to be the best way to achieve accuracy.
Psammomatous melanotic schwannoma, plexiform schwannoma, microcystic/reticular schwannoma are further variants of schwannoma8,9.
Psammomatous melanotic schwannoma. A distinctive, heritable tumor with special associations, including cardiac myxoma and the Cushing syndrome.
Soon, "Solitary gastric melanotic schwannoma
: sonographic findings," Journal of Clinical Ultrasound, vol.
Melanotic Schwannoma (MS) is a rare, distinctive, potentially malignant neoplasm that is categorized as a variant of Schwannoma [1,2].
Melanotic Schwannoma can be divided into psammomatous and nonpsammomatous types and about half of the cases with psammomatous MS are related to Carney complex .
Pathological types of tumors included schwannoma (31 cases) [Figure 5], epidermoid cyst (12 cases), neurofibroma (5 cases), hemangioma (2 cases), and melanotic schwannoma
The differential diagnoses include pigmented (melanotic) neurofibroma, psammomatous melanotic schwannoma
, and desmoplastic (neurotrophic) melanoma.
They acquire melanin and these lesions include Meningioma, Medulloblastoma, Astrocytoma, Melanotic Schwannoma
, Pitutary tumours and Choroid plexus Papilloma.
Intramedullary melanotic schwannoma
. Report of a case and review of the literature.
(MS) is a nerve sheath tumor with a uniform composition of variably melaninproducing Schwann cells and metastatic potential.
Psammomatous melanotic schwannoma
may present rarely as a colorectal polyp comprising epithelioid cells with psammoma bodies and melanin pigment.