Scleredema diabeticorum in a patient: un uncommon etiology of restrictive lung pattern Escleredema diabeticorum en un paciente: una etiología infrecuente de patrón restrictivo pulmonar.

Scleredema adultorum of Buschke is a rare skin disease characterized by skin thickening and tightening typically at the neck and the upper part of the body. This thickening results from increased mucin deposition in the reticular dermis. Three variants are recognized. Scleredema diabeticorum is one subtype associated with diabetes mellitus. We report a man with a history of poorly controlled diabetes presenting with extensive scleredema adultorum of the trunk in a "cuirasse" pattern associated with restrictive lung disease. Cutaneous ultrasonography revealed a marked thickening of the dermis as well as various echogenic spots in the dermis. Cutaneous hardness secondary to scleredema may cause limited mobility. Therefore, respiratory manifestations may be associated and assessed, mainly in cases of extensive scleredema involving trunk and shoulders. Moreover, cutaneous ultrasonography may be useful to monitor the evolution of scleredema and confirm the diagnosis.

Scleredema associated with immunoglobulin A-κ smoldering myeloma: a case report and review of the literature.

BACKGROUND: Scleredema is a rare sclerodermoid skin condition characterized by diffuse symmetrical thickening of the upper part of the body. Its association with monoclonal gammopathy and myeloma was recently described; very few cases have been reported to date. CASE PRESENTATION: A 66-year-old Sri Lankan woman who had been followed in a dermatology unit for 34 years with diffuse systemic sclerosis presented with an acute exacerbation of the skin disease. Absence of Raynaud's phenomenon; sclerodactyly; characteristic lung, gastrointestinal, and cardiac involvement of systemic sclerosis; and repeatedly negative antinuclear antibodies test results led to reevaluation for the possibility of scleredema. Skin biopsies from four body sites showed normal epidermis and thickened reticular dermis with swollen collagen bundles separated from one another by clear spaces, resulting in fenestration. The skin appendages were not atrophied or bound down. Alcian blue staining showed interstitial mucin deposition. Serum protein electrophoresis demonstrated an abnormal monoclonal band in the ß-region with a paraprotein level of 8.9 g/dl. Immunofixation showed an abnormal band in the γ-region consisting of immunoglobulin A and κ. Bone marrow biopsy revealed abnormal monoclonal plasma cells (15%) with multinuclearity. There was no evidence of end organ damage, and whole-body magnetic resonance imaging did not reveal any evidence of bone involvement. The patient's diagnosis was revised as scleredema type 2 associated with IgA-κ, and she was referred to a hemato-oncologist for chemotherapy, which led to significant improvement in the skin condition. CONCLUSIONS: Scleredema is a rare disorder that has an enigmatic, rare association with monoclonal gammopathy. Dermatologists should be aware of this rare but important association.

Ultrasonographic Findings of Scleredema Adultorum of Buschke Involving the Posterior Neck.

Objective: To describe the clinical and ultrasonographic (US) findings in patients with scleredema adultorum of Buschke, who presented with sclerotic skin on their posterior neck. Materials and Methods: After obtaining IRB approval, eight patients with scleredema adultorum of Buschke were enrolled. They underwent US examination of their posterior neck. The diagnoses were confirmed pathologically. The clinical history and US images were evaluated retrospectively. Dermal thickness was compared between the patient group and the age- and sex-matched control group. Results: The patients included seven males and one female with a mean age of 51.5 years. All patients presented with thickening of the skin and/or a palpable mass on the posterior neck. Five (62.5%) of the eight patients showed erythematous discoloration. Six patients (75.0%) had a history of diabetes. The Hemoglobin A1c level was found to be increased in all patients. US images did not show any evidence of a soft tissue mass or infection. The mean dermal thickness in patients (7.01 ± 1.95 mm) was significantly greater than that in the control group (3.08 ± 0.87 mm) (p = 0.001). Multiple strong echogenic spots in the dermis were seen in all patients. Seven patients (87.5%) showed posterior shadowing in the lower dermis. Conclusion: When a patient with a history of diabetes presents with a palpable mass or erythematous discoloration of the posterior neck and US shows the following imaging features: 1) no evidence of a soft tissue mass or infection, 2) thickening of the dermis, 3) multiple strong echogenic spots and/or posterior shadowing in the dermis, scleredema adultorum of Buschke should be considered in the differential diagnosis.

Increased collagen propeptides in the skin of a scleredema patient but no change in re-epithelialisation rate.

Scleredema is a rare disease, affecting the skin connective tissue with increased amounts of collagen and glycosaminoglycans. In the present study, the collagen synthesis and re-epithelialisation rate were measured from a 64-year-old male patient, who rapidly developed extensive tightening of the skin, without any underlying disease. The skin was thickened at several sites when measured with ultrasound, and the histology revealed accumulation of glycosaminoglycans and collagen bundles. The collagen synthesis rate was measured from suction blisters induced on two different sites of the skin before the treatment and three times later up to 6 months after the treatment with a systemic steroid was started. The aminoterminal propeptide of type I collagen (PINP) was increased manifold in the affected skin when compared with the controls, indicating active collagen deposition in vivo. Systemic steroid medication with high doses (over 20 mg/d) decreased both the type I and the type III collagen propeptide levels. The time schedule of the decreases in the propeptides in the thickened, affected skin and in the clinically normal-looking skin varied, and especially in the thickened skin in the abdomen the decrease in PINP was noted only after 3 months of prednisolone therapy. When the prednisolone dose was only 10 mg daily, the propeptides were again up-regulated, perhaps reflecting the natural course of the disease. The re-epithelialisation rates at two different sites of the patient were similar to those in the controls, suggesting that even massive fibrosis with active deposition of collagen does not alter the basal rate of re-epithelialisation in the skin. In conclusion, collagen synthesis is markedly elevated in scleredema, leading to fibrosis of the skin. A recently developed method utilizing assays of collagen propeptides from suction blister fluid allows monitoring of the collagen synthesis and detection of changes in the collagen synthesis during the treatment of fibrotic disorders.

Escleredema de Buschke / Buschkes sclerederma

Los autores presentan un caso de Escleredema, en una paciente de 44 años de edad, que concurre a la consulta por la alteración estética y por el dolor que provoca el crecimniento de las estructuras del celular subcutáneo. Se efectúa un examen tomográfico que no evidencia alteraciones compresivas mediastinales ni masas lipomatosas en los sectores afectados de los miembros superiores, tórax y cuello. Solo existe un aumento del espesor del celular subcutáneo. La piel es dura, no depresible, sin pliegues. Se constatan antecedentes de estreptococcia, infección que frecuentemente acompaña a la enfermedad conocida como Escleredema de Buschke. Se efectúa una biopsia por cirugía, obteniéndose el diagnóstico anatomopatológico de esta enfermedad de la cual muy pocos casos son referidos en la literatura mundial (AU)