Erythema nodosum (EN) is a panniculitis that presents with painful erythematous nodular lesions, pre- ferentially located on the extensor surface of the legs. EN is generally self-limited and chronic or recurrent lesions are rare. Its most common causes are streptococcal pharyngitis, sarcoidosis, inflammatory bowel disease and tuberculosis. A 73-year-old woman presented with recurrent EN with a year of evolutio...
A febre escaro-nodular é uma zoonose com predomínio estival, endémica nos países da orla mediterrânica. O microrganismo responsável pela doença, a Rickettsia conorii é um parasita intracelular obrigatório com características dos bacilos gram- negativos, transmitido acidentalmente ao homem pelo artrópode Riphicephalus sanguineus. A tríade clássica diagnóstica é caracterizada por febre, exan- tema (com atingiment...
Mediterranean spotted fever is a rickettsiosis with a predominance during the summer months, endemic in the Mediterranean region. Rickettsia conorii, microorganism responsable for the disease, is a small intracellular gram-negative bacillus, transmitted accidentally to man by the Riphicephalus sanguineus arthropod. The classical triad is characterized by fever, rash (with palm and sole distribution) and black e...