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An. Bras. Dermatol. vol.85 no.5 Rio de Janeiro Sept./Oct. 2010
Periumbilical and periareolar perforating pseudoxanthoma elasticum*
Aline Lopes BressanI; Bárbara Nader VasconcelosII; Roberto Souto da SilvaIII; Maria de Fátima G. Scotelaro AlvesIV; Alexandre Carlos GrippV
IOn going post graduation course from the Dermatological service of Pedro Ernesto University Hospital (HUPE) - Rio de Janeiro (RJ), Brazil
IIOn going post graduation course from the Dermatological service of Pedro Ernesto University Hospital (HUPE) - Rio de Janeiro (RJ), Brazil
IIIResident of the Dermatological service of Pedro Ernesto University Hospital (HUPE) - Rio de Janeiro (RJ), Brazil
IVDoctorate degree in Dermatology. Associate professor of Dermatology and responsible for the Dermatopathological sector of Pedro Ernesto University Hospital (HUPE) - Rio de Janeiro (RJ), Brazil
VMaster degree in Dermatology. Assistant professor of Dermatology and responsible for the dermatologic ward of Pedro Ernesto University Hospital (HUPE) - Rio de Janeiro (RJ), Brazil
The periumbilical perforating pseudoxanthoma elasticum or perforating calcific elastosis is a rare disorder and its pathogenesis is associated with the alteration of elastic fibers, which may probably result from trauma. We present the case of a 70-year-old woman with long-time blackish maculas and keratotic surface papules on the periareolar and periumbilical regions. The histopathological examination revealed altered elastic fibers, replete with calcium and formation of a path in the dermis with elastic fibers degraded in their interior, confirming the clinical diagnosis.
Keywords: Breast; Pregnancy; Pseudoxanthoma elasticum; Umbilicus
The periumbilical perforating pseudoxanthoma elasticum (PPPE) is a rare acquirede disease. Occurs mainly among black, multiparous, obese, and middleaged women and in general the internal organs are not affected. Biopsy is the most important method used to make its diagnosis, and the disease has as its characteristic alteration the calcification and extrusion of elastic fibers through the epidermis.1
We report here the case of a patient with periumbilical perforating pseudoxanthoma elasticum that, as for this patient, also strikes the periareolar region, bilaterally.
Female patient, aged 70, black and multiparous. Reports hyperchomic periumbilical and periareolar maculae that had appeared more than 10 years before and she also reports flaccidity in the abdominal wall. (Picture 1). The maculae are blackish, they have approximately 15 cm of diameter on the abdomen and 5 cm periareolar (Picture 2), bilaterally, with papules topped by yellowish crusts on loose, wrinkled skin. The patient reports light pruridus on the sites.
The histopathological exam of the papule and macula revealed depot of intumescent fibers, irregularly agglomerated in the inferior middle parts of the dermis, that colored themselves as elastic fibers with orcein. (Picture 3). HE coloration showed elastic fibers slightly basophil altered as they were full of calcium and the coloration for calcium with the Von Kossa method well evidenced them (Picture 4). It was also detected an outline of a narrow passage of the dermis to the external area of the epidermis, full of degrading elastic fibers (Picture 5), that characterized the perforating form of the pseudoxanthoma elasticum or perforating calcific elastosis.
Ophthalmologic and cardiologic exams did not detect any alterations.
The periumbilical perforating pseudoxanthoma elasticum is a rare acquired disease, with singular clinical and histological characteristics. It presents itself as a plaque restricted to the periumbilical region, of reticulated and atrophic yellowish surface, intermixed by an area of hyperchromia which gives a wrinkled aspect to the lesion. Keratotic papules are frequently found in the periphery of the lesion and can eliminate viscous material. It is more frequently found in black, multiparous, obese and middle-aged women and, in general, internal organs are not affected. Biopsy is the most important method used to make its diagnosis, and the disease has as its characteristic alteration the calcification and extrusion of elastic fibers through the epidermis.1
In 1976, the PEPP was individualized and separeted from the perforating serpiginous elastosis. It was proposed, in 1979, the denomination calcific elastosis to avoid the implications that the term localized PXE can offer in relation to the systemic form of the disease.2
Calcium depots are basophil and they have affinity for silver nitrate in von Kossa. coloration. Occasionally the PXE abnormal fibers might perforate the epidermis. In some cases, the perforating PXE is only a cutaneous manifestation of the systemic herededitary form of PXE, secondarily occuring the transepidermal elimination.3 In other cases, the lesion is situated and restricted to the periumbilical region, has singular epidemiologic characteristics and occasionally might present a systemic form. In this last form, the disease has been denominated periumbilical perforating pseudoxanthoma elasticum (PPPE). The pathogenesis of PEPP is controversial. Some authors consider it acquired dermatosis resulting from cutaneous trauma by obesity, abdominal surgeries and ascites. Trauma would be an important factor in the genesis of the lesion,4 and its main point of alterations is on the elastic fibers.
Subsequent control includes ophthalmologic and cardiologic exams aiming at eliminating the possibility of a systemic disease.5 Although antiaesthetic, there is no other therapy available. If the skin redundancy is very proeminent a reconstructive surgery can bring temporary relief.6
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4. Souza FHM, Sato MS, Werner B, Serafini SZ, Cavalin LC. Caso para diagnóstico. An Bras Dermatol. 2006;81:91-3. [ Links ]
5. Wolff HH, Stokes JF, Schlesinger BE. Vascular abnormalities associated with pseudoxanthoma elasticum. Arch Dis Child. 1952;131:82-88. [ Links ]
6. Minelli L, Silva HC, Garcia RM, Pontello R, Santi E. Pseudoxantoma elástico - relato de um caso. An Bras Dermatol. 1991;66:307-309. [ Links ]
Received on 05.08.2009. * Work carried out in the Dermatological service of Pedro Ernesto University Hospital (HUPE) - Rio de Janeiro (RJ), Brazil.
Approved by the Advisory Board and accepted for publication on 28.08.2009.
Conflict of interest: None
Financial funding: None
Received on 05.08.2009.
* Work carried out in the Dermatological service of Pedro Ernesto University Hospital (HUPE) - Rio de Janeiro (RJ), Brazil.