Literature on bone marrow carcinomatosis in head and neck squamous cell carcinoma (HNSCC) is sparse. This work aims to augment understanding on its characteristic features, clinical presentation, investigations, treatment and outcomes. Comprehensive literature review of all published cases of metastasis of HNSCC to the bone marrow with regard to clinical presentation, diagnosis, treatment and survival outcomes of this disease. Each of these factors is discussed forming an up-to-date review on the subject. Eight case reports were identified, seven males and one female with an age range of 35-64years. Primary sites were from the oral cavity (n=4), oropharynx (n=3) and supraglottis (n=1). Six were stage four disease with nodal involvement, one case stage two and one case with unknown staging. Two of the oropharyngeal cancers were p16 positive, and one p16 status was not documented. Five patients presented with back pain, two patients had ecchymoses with bleeding, and one presented with sepsis and thrombocytopaenia. Three patients had proven disseminated intravascular coagulation. Four patients were treated with palliative chemoradiotherapy, one had palliative radiotherapy, one had radiotherapy and dendritic cell vaccine immunotherapy, and two died from the disease prior to any treatment. Various facets of presentation and management are discussed. Bone marrow carcinomatosis from HNSCC is rare. It can present with a variety of non-specific symptoms, and a high index of suspicion is required to be able to diagnose the condition promptly. Aggressive chemotherapy is the treatment of choice but prognosis remains poor. Bone marrow carcinomatosis from HNSCC is rare. It can present with a variety of non-specific symptoms, and a high index of suspicion is required to be able to diagnose the condition promptly. Aggressive chemotherapy is the treatment of choice but prognosis remains poor. Internationally, there is evidence of high rates of mental disorders amongst police custody detainees but this literature is limited, and there has been little research into the unmet needs of police detainees in the UK, orelsewhere. Such research could support better focussedinterventions for improving health and recidivism outcomes. To examine psychiatric and developmental morbidity amongst police detainees, and ascertain differences in need between morbidity categories. We used a cross-sectional study design and interviewed a 40% sample of people entering police custody in one South London police station over a 2-week period. A series of standardised measures was administered to screen for the presence of mental illness, general health and social care needs. A cohort of 134 people was generated, of whom nearly one-third (39, 29%) had current mental illness (major depression and/or psychosis); more had a lifetime diagnosis (54, 40%). Just under a fifth met the threshold for post-traumatic stress dism. Our findings not only confirm high rates of mental health problems amongst police detainees but also demonstrate their high risk of suicide and high levels of unmet need, especially as regards accommodation. This underscores the need to provide mental health services in police stations, to help identify and resolve these issues at this early stage in the criminal justice system. Extending accommodation capacity to help some arrestees may help to save lives and interrupt cycling through the criminal justice system.Oncological surgery of the parotid region sometimes requires the sacrifice of the facial nerve (parotid cancers, extensive skin cancers of the face, soft tissue sarcomas). The sacrificed portion of nerve can be reconstructed by a vascularized nerve graft, especially if the patient must undergo radiotherapy after surgery. In those cases, the facial nerve sacrifice is associated to an important loss of substance from the parotid region (skin, masseter, parotid, and sometimes jaw). Chimeric flap permit the reconstruction at the same time of the external skin, soft tissues for the volume (fat or muscle), nerve, and bone (ramus and angular part of the mandible). An other option was to raise two flaps but it increased the risk of failure (time of surgery, number of anastomosis, etc.). Reconstruction with a chimeric flap appears to be an ideal choice. Based on these observations, we offer our patients at the Gustave Roussy Institute (Villejuif, France) a thoracodorsal artery perforator (TDAP) free flap including the motor nerve of the latissimus dorsi and vascularized by the thoraco-dorsal pedicle, thus allowing reconstruction in a single surgery. The surgical technique is explained with a step-by-step video. Functional outcomes are also shown in the video. The TDAP or chimeric scapulo-dorsal flap with vascularized nerve has many advantages in the facial reanimation of patients suffering from parotid region cancers. This video article explains surgical steps for other teams.The beneficial use of drinking water treatment residuals (DWTRs) faces barriers due primarily to uncertainties and concerns about their potential environmental impacts. We used total and water leachable toxic metal concentrations and 2 benthic organism-based bioassays to identify suitable DWTR substrates for introduction to freshwater systems. Using total metal contents and the consensus probable effect concentration concept, 3 DWTRs were selected and used in elutriate and toxicity studies. The concentrations of water leachable Ag, As, Cd, Cu, Cr, Ni, Pb, and Zn were below the US Environmental Protection Agency's ambient water quality criteria. Using the long-term 65-d life cycle Chironomus tentans test and 4 different endpoints (survival, adult emergence, egg case production, and number of eggs produced per female), no statistical differences were found between the DWTR treatments and the controls. Similarly, results obtained using the 10-d Hyalella azteca test showed no toxicity. However, although both survival and growth were recorded in all bioassays, the results of the 10-d C. tentans and the 28-d H. azteca tests were ambiguous. For C. tentans, 2 of the 3 DWTRs resulted in significantly lower survival rates compared to the controls. For H. https://www.selleckchem.com/products/diabzi-sting-agonist-compound-3.html azteca, no significant growth differences were observed between controls and DWTR treatments, but 2 of the 3 DWTRs resulted in significantly lower survival rates than the controls. Overall, these results suggest that certain DWTR substrates could be suitable for introduction to aquatic systems. Environ Toxicol Chem 2021;402005-2014. © 2021 SETAC.