widespread livedoid vasculopathy

A 37-year-old woman with a 13-year history of widespread livedo reticularis and recurrent, painful ulcerative skin lesions was referred to our department because of a relapse of cutaneous manifestations of the skin lesions involving almost the whole body surface; malar erythema and oedema, non-scarring alopecia and fever were also associated. Routine laboratory data, immunological investigations and coagulation parameters were normal or negative. Histology was consistent with livedoid vasculopathy. A good clinical response was obtained using intravenous methylprednisolone combined with pentoxifylline. Livedoid vasculopathy is a rare, distinctive dermatosis that can be associated with systemic autoimmune disorders or present in an ''idiopathic'' form. The latter is at present regarded as a non-inflammatory thrombotic disease that may occur in patients with coagulation abnormalities. It is noteworthy that, in the present case, despite long-standing and dramatic cutaneous features, serious systemic complications have not developed and the patient's seroimmunologic and coagulative profile has remained normal. Key words: autoimmune diseases; coagulation abnormalities; livedoid vasculopathy

nodal peripheral t cell lymphoma with secondary granulomatous cutaneous involvement

Sir, The presence of a granulomatous pattern has rarely been described in cutaneous lymphomas, mycosis fungoides (MF) being the variant more frequently reported (1 – 4). The aetiology of granulomatous reactions remains unclear and its prognostic value is still disputed, although a favourable influence on outcome has been hypothesized (5). We report here the case of an 87-year-old man with nodal peripheral T-cell lymphoma (PTL) with secondary cutaneous involvement, who clinically presented with multiple eruptive papular and nodular skin lesions on the upper part of the body and histologically showed a strong granulomatous reaction in the skin

Feasibility of enriching anammox bacteria using sludge from two wastewater treatment plants

Anaerobic ammonium oxidation (anammox) is a promising biotechnology suitable for the removal of nitrogen from wastewaters. A proper choice of the seeding sludge and operational conditions is critical when dealing with the start-up of a new anammox reac tor. The objective of this research was to evaluate the feasibility of enriching anammox bacteria using two different sources of activated sludge. Both sludges were obtained from full-scale treatment plants targeting N-removal from high strength wastewater. The monitoring of the reactors was carried out according to N-compositional variables and also by polymerase chain reaction (PCR) detection of the functional gene encoding for the hydrazine-oxidizing enzyme (hzo), which is specific of anammox bacteria. The combined analysis of both macroscopic and microscopic data demonstrated that anammox bacteria could be enriched using activated sludge from a treatment plant processing pig slurry in CataloniaPostprint (published version

Feasibility of enriching anammox bacteria using sludge from two wastewater treatment plants

Anaerobic ammonium oxidation (anammox) is a promising biotechnology suitable for the removal of nitrogen from wastewaters. A proper choice of the seeding sludge and operational conditions is critical when dealing with the start-up of a new anammox reac tor. The objective of this research was to evaluate the feasibility of enriching anammox bacteria using two different sources of activated sludge. Both sludges were obtained from full-scale treatment plants targeting N-removal from high strength wastewater. The monitoring of the reactors was carried out according to N-compositional variables and also by polymerase chain reaction (PCR) detection of the functional gene encoding for the hydrazine-oxidizing enzyme (hzo), which is specific of anammox bacteria. The combined analysis of both macroscopic and microscopic data demonstrated that anammox bacteria could be enriched using activated sludge from a treatment plant processing pig slurry in Cataloni

Feasibility of enriching anammox bacteria using sludge from two wastewater treatment plants

Anaerobic ammonium oxidation (anammox) is a promising biotechnology suitable for the removal of nitrogen from wastewaters. A proper choice of the seeding sludge and operational conditions is critical when dealing with the start-up of a new anammox reac tor. The objective of this research was to evaluate the feasibility of enriching anammox bacteria using two different sources of activated sludge. Both sludges were obtained from full-scale treatment plants targeting N-removal from high strength wastewater. The monitoring of the reactors was carried out according to N-compositional variables and also by polymerase chain reaction (PCR) detection of the functional gene encoding for the hydrazine-oxidizing enzyme (hzo), which is specific of anammox bacteria. The combined analysis of both macroscopic and microscopic data demonstrated that anammox bacteria could be enriched using activated sludge from a treatment plant processing pig slurry in Cataloni