Surgical treatment and dilemmas in the treatment of basal cell carcinomas with intracranial propagation

Rasulić, Lukas; Jovanović, M.

doi:10.2298/vsp1411045r

Cited by 2 publications

(1 citation statement)

References 23 publications

(22 reference statements)

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“…Complete excision with removal of periosteum and partial removal of the tabula externa was planned with neurosurgeons at a later stage. BCC is one of the most common malignant skin tumours of the head and neck region (about 90% of cases) and is characterised by a significant potential for local infiltration and destructive growth [ 1 ]. Recurrent, invasive BCC of the scalp and calvarium is a difficult problem for which universally accepted treatment protocols had not been established [ 2 ].…”

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Multiple Primary Recurrent Basaliomas (mPR-BCCs) of the Scalp with Cranial Bone Invasion

Tchernev¹,

Patterson

Lotti

et al. 2017

Open Access Maced J Med Sci

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We present a 68-year-old patient with multiple primary infiltrative BCCs in the scalp area, initially treated 14 years ago with superficial contact X-ray therapy, end dose 60 greys, followed by electrocautery (x2) several years later. He presented in the dermatologic policlinic for diagnosis and therapy of two additional, newly-formed pigmented lesions, and because of an uncomfortable, itchy, burning sensation in the area where lesions had been treated years before. Screening cranial computer-tomography (CT) examination revealed two deformities in the form of tumor-mediated osteolysis, affecting the diploe of the tabula externa on the left parietal and parasagittal areas. Complete excision with removal of periosteum and partial removal of the tabula externa was planned with neurosurgeons at a later stage. BCC is one of the most common malignant skin tumours of the head and neck region (about 90% of cases) and is characterised by a significant potential for local infiltration and destructive growth. Recurrent, invasive BCC of the scalp and calvarium is a difficult problem for which universally accepted treatment protocols had not been established. The primary treatment of aggressive BCCs is surgical, with a thorough examination of excision margins to ensure complete resection. Procedural-based options include standard excision, curettage, curettage with electrodessication, and Mohs micrographic surgery (MMS), with MMS being the gold standard for the definitive treatment of BCC. Improper removal or electrocautery (as in our case) of the several aggressive forms of BCC seems to be a particular problem, and not only for dermatologic surgeons. The risk of subsequent invasion and destruction of the cranium, underlying dura, and cranial nerves by basal cell carcinoma (BCC) is extremely low, with an estimated incidence of 0.03%, but is a potential complication over time. Computed tomography is the modality of choice for detecting tumour invasion into bone, which commonly appears as irregular demineralization or osteolysis.

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