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Background: Subacute subdural hematoma (SASDH) is an entity which is yet to capture the popular imagination among the neurosurgeons. Its management is often equated clinically to that of the chronic subdural hematoma (CSDH). However, their neurological deterioration is usually rapid, which seems to align them with acute subdural hematoma (ASDH). We proceed for their epidemiological evaluation. The advantages of a novel "double barrel technique (DbT)" over the conventional burrhole drainage are also presented., Methods: This retrospective study was conducted on all the patients having clinical and radiological evidence of SASDH, admitted to a tertiary care referral institute, during the period August 2013 to December 2015. Postoperatively, patients were followed-up for 3-24 months., Results: 46.87% of the patients belonged to the 35-54 year age group with a male predominance (3.6:1); 68.7% had a history of alcohol abuse, whereas aspirin users were 25%. 87.5% cases were unilateral, 18.75% were hemispheric, and 46.87% were present on the left side. Altered consciousness (100%) followed by headache (37.5%) were the most common presenting clinical features., Conclusion: SASDH is an uncommon neurosurgical entity (0.89% of traumatic brain injury cases in our study) and mimics both CSDH as well as ASDH. The true incidence of SASDH may have been underestimated due to its clinical imitation with CSDH. This study in a South Asian nation also provides the epidemiological data of this rare neurosurgical entity. Outcome of surgery is good; our retrospective study confirms that "DbT" is an adequate and safe treatment. However, a better designed, randomized control trial will be needed to reinforce our findings.

Background: Intramedullary spinal cord metastases (IMSCM) are typically drop lesions from intracranial metastases and are a rare manifestation of systemic malignancy (8.5% of central nervous system metastases). They arise from primaries such as the lungs, breast, kidney, melanoma, or lymphoma. On the other hand, they arise very rarely from papillary thyroid carcinoma (PTC), even though it is the most common type of primary thyroid malignancy., Case Description: A 54-year-old male presented with pain in the lower back along with tingling, numbness, and weakness in the bilateral lower limbs. This was associated with urine incontinence for 1½ months. In the previous month, he developed a left-sided solitary thyroid nodule. Fine needle aspiration cytology and ultrasonography were suggestive of metastasis. Furthermore, the thoracolumbar magnetic resonance imaging showed T1-hypo and T2-hyper-intense D11-D12 level intramedullary lesion, with intense enhancement, which was consistent with an intramedullary lesion involving the conus. At surgery, a firm, brownish yellow, friable, vascular tumour was removed en toto. Upon discharge, the patient was neurologically intact except for residual bladder incontinence., Conclusion: In an extensive literature review (pubmed), IMSCM metastasis from PTC primary is confirmed as a rarity and this may be the fourth documented case. Moreover, this may be the first report of a case of PTC metastatic neurological deterioration "even before the treatment of the primary was undertaken." Early diagnosis and microsurgical resection can result in improvement of neurological deficits and in the quality of life of patients with IMSCM.