Metastatic Anorectal Melanoma Presenting as Seizures: An Infrequent Culprit.

Publication date: Apr 08, 2022

Anorectal malignant melanoma is a rare culprit of malignancies in the anorectal region. With a presentation that mimics the vastly more common colorectal tumours, clinical misdiagnosis and diagnostic delays often occur, contributing to a dismal prognosis. The authors report a case of metastatic anorectal malignant melanoma presenting as seizures. Though our standard diagnostic pathway for suspected anorectal malignancies was followed, and despite the patient having computerized tomography (CT) of the head earlier, this presentation nonetheless led to a prolongation of time needed to reach histological diagnosis and delay in commencing definitive treatment. It also highlights the paucity of research into the pathophysiology and management of this infrequent but aggressive disease, and the need for raising awareness about this condition to the medical community so that it is considered as a plausible differential diagnosis from the outset and diagnostic pathways adjusted accordingly.

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Concepts Keywords
Computerized Tomography
Ct Metastasis
Earlier Medicine
Pathophysiology Melanoma
Seizures Oncology
Causes of death


Type Source Name
disease MESH community
disease MESH diagnosis
disease MESH misdiagnosis
disease MESH malignancies
disease MESH Seizures
pathway KEGG Melanoma
disease MESH Melanoma

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