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Asignatura: Fisiologia Vegetal UAB, Profesor: , ,, Carrera: Psicologia, Universidad: UB
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Abstract: The authors report a case of SAPHO Syndrome, in pediatric age, with a dermatological focus. This entity should be considered in patients who have pain in the anterior chest wall or other muscu- loskeletal symptoms, accompanied by palmoplantar pustulosis and acne fulminans. The specific cuta- neous manifestations, diagnosis and the treatment will be presented. Keywords: Acne Vulgaris, Osteitis, Psoriasis, Synovitis
Resumo: Os autores relatam um caso clínico sobre Síndrome SAPHO, na faixa etária pediátrica, com enfoque dermatológico. Essa entidade deve ser considerada, nos pacientes que tenham dor na parede torá- cica anterior ou outros sintomas musculoesqueléticos, acompanhados por lesões dermatológicas, como pustulose palmoplantar e acne fulminans. As manifestações cutâneas específicas, diagnóstico e o tratamen- to utilizado serão apresentados. Palavras-chave: Acne Vulgar, Osteíte, Psoríase, Sinovite
Received on 03.08.2010. Approved by the Advisory Board and accepted for publication on 25.10.2010.
SAPHO Syndrome is a chronic disease, occa- sionally self-limited, composed of synovitis, acne, pus- tulosis hyperostosis and osteitis. 1 In general, the development of the disease is prolonged, with episodes of remission and exacerbation without response to antibiotics. The association of palmoplantar pustulosis with arthro osteits of the anterior chest wall was first described in Japan, in 1967. In 1968, Kato and cols. described the first case of bilateral clavicular osteomyelitis with palmoplantar pustulosis. 2 In 1974, Sonozaki and cols. reported a sero-negative rheuma- toid syndrome with sternoclavicular hyperostosis associated with palmoplantar pustulosis. Kahn and cols. noticed that arthro-osteitis sterile was the com- mon denominator of a great number of patients with pain in the anterior chest wall or other musculoskele- tal symptoms, carriers of palmoplantar pustulosis and
acne fulminans.² So, in 1984, they characterized the SAPHO Syndrome with three criteria. It was enough, for the diagnosis of the syndrome ,the presence of only one of these characterisitcs: multifocal osteitis with or without cutaneous manifestations; sterile junt inflammation, acute or chronic, associated with pus- tule or palmoplantar psoriasis, acne or hidradenitis; sterile osteitis in presence of one of the skin manifes- tations mentioned above.
The ambulatory care and hospitalizations of a male mullato pediatric patient, with pregnancy and child birth without complications, normal growth and development and no family history will be described. The infant, when he was three months old, had pnemonia and recurrent pyoderma. When he was 11 months old he was hospitalized for the first time due
Challenges in diagnosis and treatment of a case of SAPHO syndrome in childhood 47
to an increase of volume on the right hand and “impetigo”. Radiologically there was evidence of image lytic metaepiphyseal of radium with well defined bor- ders suggesting subacute osteomyelitis. It was carried out treatment with oxacillin. Three months later bone configuration was radiologically normal. When he was 1year and four months old he complained of pain in the thoracic lumbar region, which prevented ambulation besides bulging in the right-supra-clavicular region and erythematous papules on the neck and chest. There was no fever or history of trauma. Radiography of the spine revealed space reduction between T12 and L1 (spondylodisci- tis) and bilateral proximal tibial metaphyseal radiolog- ical changes. After that, hospitalization due to pain and swelling in his left elbow. Laboratory tests were requested: sickling test, FTA-abs IgG and IgM, anti- HIV, all negative; VDRL (positive 1:1); PPD (non-reac- tive); dosage of IgE, IgA, IgG, IgM, bone marrow aspi- rate and fundus, which were normal; radiography (lytic lesion in the lot drawn in the condyle of the humerus with periostitis and edema of adjacent soft tissues, lytic lesions on the anterior faces of the 6th,7th right costal arches and on the left of the 6th, 7th and 8th, and small pleural reaction at the base of the left hemithorax ); bone scan (uptake of the mark- er characterizing osteogenic activity in the projections of the anterior portion of the 6th and 7th right costal arches and on the left of 6th ,7th, 8th, 9th, on the dis- tal humerus, and on the proximal third of the left femur); bone marrow biopsy (erythrocyte hyperpla- sia); CT scan of the lumbar spine; (normal); biopsy ot the right tibia (microscopy with normal cellularity for the age, megakaryocitic and granulocytic series with normal maturation , erythrocyte hyperplasia, absence of neoplasm or infectious process). Emerged, as an outpatient, claudication, arthri- tis in the left knee, increased VHS, being prescribed aspirin and prednisone and later methotrexate with initial improvement. The patient presented geographic tongue and nail injury with edema and periungual erythema on the 1st^ and 2 nd^ fingers suggesting continuous Hallopeu acrodermatitis (Figures 1 and 2). Direct mycological examination and culture of ungual and subungual scrapings were negative. Biopsy of the nail lay revealed acanthosis, with extension of the interpapil- lary cones, hyperkeratosis, polymorphonuclear cells in the stratum corneum, supra papillary thinning, mononuclear inflammatory infiltrate in the dermis, vascular dilation and collections of neutrophils in the epidermis confirming the clinical suspicion. It was prescribed topical tretinoin and clobetasol propinate for treatmento of the ungual lesions, with slight
improvement. (Figure 3). Arthritis on the left knee recquired hospitaliza- tion. Ultrasound showed infiltration of the subcuta- neous tissue and of the muscle plans, without in between collections, discrete talus-navicular joint effusion and absence of ankle joint effusion. Radiography showed lytic lesion in the left navicular. (Figure 4). At this time, the patient presented pustules on the right axilla besides right external clavicular athritis. It was added to the treatment sulfasalazine, ranitidine and diclofenaco (Figure 5). Bone scan was performed revealing hyperfixa- tion of the radiopharmaceutical, characterizing increased osteogenic activity at the medial end of the right clavicle, in the proximal end of the left humerus, in the anterior portions of the 5th and 6th left costal arches. Radiopraphy showed lytic lesions bilaterally in the naviculars. The periungual lesions alternated between exacerbation and remission with edema and erythema worsening; it was initiated calcipotriol asso- ciated with topical betamethasone, besides oral azithromycin. Tiny pustules on the neck, axillae and
F IGURE 1: Geographic tongue
F IGURE 2: Nail lesion
Challenges in diagnosis and treatment of a case of SAPHO syndrome in childhood 49
there was difficulty to classify them up to the moment that it came to know the entity called amicrobiana pustulosis of the folders in which it seems to fit. Amicrobiana pustulosis of the folders is among the neutrophilic dermatoses which include a broad spectrum of diseases histologically characterized by the presence of aseptic neutrophilic infiltrate on the dermis and/or epidermis. This syndrome tipically hap- pens in association with an autoimmune disease. The cutaneous eruption consists of small sterile foilicular and non-follicular pustules that coalesce into erosive plaques, predominantly in the flexures, scalp, geni- talia and external auditory canal. Histology of the lesions reveals intra-epidermal pustule and eosinophilic spongiosis. The course is chronic and recalcitrant, generally with no relation with the activi- ty of the associated autoimmune disease (neoplastic
disorder or intestinal inflammatory). 6 Their differential diagnoses include pustular psoriasis and pemphigus foliaceus which, frequently, do not choose these locations; subcorneal pustulosis (non-spongiform pustule and marked circinate lesions); acute generalized exanthematous pustulosis (widespread rash commonly triggered by medication or viral infection). There is no standard treatment yet but it can be included systemic and/or topical steroids, dapsone, colchicine and zinc supplementation. SAPHO syndrome should be considered in the coexistence of recurrent inflammatory bone condi- tions, skin diseases and arthritis and mainly in the absence of antibodies and infectious agents besides the persistence of laboratory markers of inflammation. Its rheumatologic classification includes: chronic recurrent multifocal osteomyelitis (CRMO), responsi- ble for half of the cases of the disease; pustule psoriat- ic hyperostotic spondyloarthritis (PPHS), responsible for 1/6 of the cases of the syndrome and incomplete forms of the previous types. The reported case fits into CRMO, as it constitutes a benign inflammatory bone disease which affects mainly children and adolescents. The differential diagnoses include: septic osteomylitis, Langerhans cells histiocytosis, malignant and benign bone tumors, juvenile idiopathic arthritis, ankylosing spondilitis and psoriatic spondyloarthritis. The diagnosis of the SAPHO syndrome is accomplished by the combination of cutaneous mani- festations, radiological and histopathological findings that should be recognised by doctors to make the diagnosis, avoiding invasive procedures and unneces- sary therapies providing a better quality of life for the patient.^7 As there is no specific knowledge about the pathogenesis of SAPHO syndrome it is important a multidisciplinary treatment optimizing the cost-bene- fit ratio of the pathology. q
F IGURE 6: Psoriasiform Dermatitis
Patricia Craveiro Gomes da Silva Rua Doutor Nunes 109/ 21021 370, Rio de janeiro RJ, Brazil E-mail: [email protected]
How to cite this article/ Como citar este artigo: Craveiro PG, Fontenelle E, Goldenzon AV, Craveiro P, Rodrigues MCF. Challenges in diagnosis and treatment of a case of SAPHO syndrome in childhood. An Bras Dermatol. 2011;86(4 Supl 1):S46-9.