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PubMedDate not supplied

Calcinosis circumscripta associated with polydioxanone suture in two young dogs.

Calcinosis circumscripta associated with polydioxanone suture material was diagnosed in two young dogs. In each case, the owner noticed a firm mass at the site of a previous surgical incision. Mineralization of soft tissues was visible radiographically. At excision, multiple chalky white nodular masses within the subcutis extended in a linear pattern the length of the sutured incision, but not beyond it. Polydioxanone suture was identified within the center of the nodules, which were identified histologically as calcinosis circumscripta.

Animals↗

PubMed2006

Cytochemical detection of calcium in a case of calcinosis circumscripta in a dog.

A 9-month-old intact female Serra-da-Estrela dog (giant Portuguese breed) was presented with a 2-month history of lingual lesions. Two hard, nodular, nonpainful lesions were observed on the lateral border of the tongue. Fine-needle aspiration yielded a chalky white material. Hemacolor-stained smears showed an amorphous granular basophilic background with crystal-like structures and granulomatous inflammation consisting of foamy macrophages and giant cells. Cytochemical staining with von Kossa and Alizarin red S confirmed the calcareous nature of the material. The cytologic diagnosis was lingual calcinosis circumscripta; this was later confirmed by histopathologic examination. To our knowledge, this case is the first to document the use of von Kossa and Alizarin red S on cytologic smears to obtain a definitive diagnosis of lingual calcinosis circumscripta.

Animals↗

PubMed1973

Tumoral calcinosis in England.

Two cases of tumoral calcinosis are presented in patients living in England. The clinical and pathological features are described and attention is drawn to the need to consider exotic diseases in patients who have originated from or lived in the tropics.The cause of tumoral calcinosis is not known. It may be a metabolic disease of obscure aetiology but local trauma often appears to be a factor in its development.

Adolescent↗

PubMed1977

Tumoral calcinosis: a manifestation of extreme metastatic calcification occurring with 1, alpha-hydroxycholecalciferol therapy.

Two cases are reviewed, both of which developed tumoral calcinosis whilst receiving 1, alpha-hydroxy-cholecalciferol therapy. Tumoral calcinosis is an extreme form of peri-articular calcification, and its occurrence in patients with chronic renal failure is unusual. These peri-articular masses developed around the shoulders in both patients, and the action of 1, alpha-hydroxycholecalciferol as a possible factor promoting this form of metastatic calcification is discussed.

Adult↗

PubMed1977

Radiography and scintigraphy in tumoral calcinosis.

A case of tumoral calcinosis with tumoral deposits about the knee is reported. Radiographs demonstrate juxta-articular calcific deposits about the right second and fifth distal interphalangeal joints and the left first distal tuft, both hips, both shoulders, first distal phalanx of the left foot and right knee. Radionuclide images clearly demonstrate all areas of tumoral calcinosis.

Calcinosis↗

PubMed1984

Tumoral calcinosis, diaphysitis, and hyperphosphatemia.

Three children with hyperphosphatemic tumoral calcinosis, including 2 siblings, presented with recurrent pain and swelling of the legs. Laboratory tests, radiographs, and biopsy showed reactive new bone formation of unknown etiology in the diaphyses. The authors hypothesize a relationship between tumoral calcinosis, hyperostosis, and hyperphosphatemia and consider possible mechanisms.

Adolescent↗

PubMed1990

Imaging of tumoral calcinosis: new observations.

Five patients with tumoral calcinosis were evaluated with radiography, bone scintigraphy, computed tomography (CT), and magnetic resonance (MR) imaging. The arthropathy of calcium pyrophosphate dihydrate deposition disease was seen in two of the patients and pseudoxanthoma elasticum-like syndrome in three. Identification of calcific particular masses on radiographs is characteristic of tumoral calcinosis. Marrow lesions could be identified as patchy areas of calcification (calcific myelitis) in long bones and the calvarium. Bone scintigraphy appears to be the best modality for detection of the masses and marrow lesions and for monitoring therapy. At CT the masses demonstrated a varied appearance, from small and solid to large and cystic. The marrow abnormality appears as an area of increased attenuation and spotty calcification that in the skull may be associated with dural and vascular calcifications. MR imaging of the particular masses was remarkable in that the masses displayed high signal intensity on T2-weighted images despite a large calcific component. Marrow lesions also showed increased signal intensity on T2-weighted images. When calcified particular masses are present the diagnosis is rarely in question. The diagnosis may be overlooked, however, when calcific myelitis is the only manifestation.

Adult↗

PubMed2005

[Juvenile amyopathic dermatomyositis and calcinosis].

Juvenile dermatomyositis (JDM) is a chronic multisystemic disease. It is believed to be of autoimmune etiology and is characterized by the presence of vasculitis affecting striated muscle and skin. Clinical description consists of general symptoms (anorexia, weight loss, asthenia, fever), typical manifestations (muscular and cutaneous) and possible systemic alterations. We report the case of a 5-year-old boy diagnosed with JDM who presented difficulty in walking, inability to completely extend the right lower extremity and calcinosis 12 months after the development of incorrectly evaluated cutaneous alterations. We aim to highlight the importance of early diagnosis and treatment of this illness. Since the introduction of corticosteroid therapy, prognosis has improved but functional outcome still depends on the presence of calcinosis and muscular contractures.

Calcinosis↗

PubMed2001

Nadroparin-induced Calcinosis cutis in renal transplant recipients.

Low-molecular-weight heparins are routinely used to prevent deep venous thrombosis following renal transplantation in our department. We report 2 patients who developed tender erythematous subcutaneous nodules with induration, ulceration and necrosis at the site of subcutaneous administration of nadroparin. Both patients were renal transplant recipients with impaired graft function and high serum calcium-phosphate products. The diagnosis calcinosis cutis was confirmed by technetium-99m bone scan and by histological examination of biopsies. Both patients showed spontaneous recovery several weeks after discontinuation of nadroparin. Patients with chronic renal failure and hyperphosphatemia may be predisposed to develop calcinosis cutis. In addition, the role of the calcium content of nadroparin is discussed.

Adult↗

PubMed1991

Fulminant calcinosis in two patients after kidney transplantation.

The first patient had total parathyroidectomy (PTX) with autografting 2 years before. She developed disabling soft-tissue calcifications following kidney transplantation. After reduction of the autograft--a complete removal was not possible--the subcutaneous calcifications regressed. In the second patient, fulminant necrotizing vascular calcinosis developed after successful renal transplantation. Total PTX without autotransplantation was carried out, and progression of the vascular disease was ceased. In both patients, the parathyroid hormone was elevated but not the calcium-phosphate product. We suggest that fulminant calcinosis in patients with kidney transplants requires PTX.

Adult↗

PubMed1997

Tumoral calcinosis in patients on hemodialysis. Case report and review of the literature.

Extraskeletal tumoral calcinosis occur in uremic patients with high calcium phosphorus (Ca x P) product and progressive secondary hyperparathyroidism. However, cases are also described in which this association cannot be confirmed. The influence of aluminum, vitamins D and K, alkalosis, magnesium and local lesions is described. The case of a female patient with tumoral calcinosis disappearing after parathyroidectomy is presented.

Aged↗

PubMed1992

Calcinosis and metastatic calcification due to vitamin D intoxication. A case report and review.

Vitamin D, a fat-soluble vitamin, can be associated with significant morbidity when prescribed in large doses. We describe a hypoparathyroid patient with vitamin D intoxication who developed painful periarticular calcinosis, nephrocalcinosis with hypertension and chronic renal failure in addition to band keratopathy and hearing loss. He was treated with combination therapy including prednisone, phosphate-binding antacid, phenytoin and disodium etidronate. After 20 months of follow-up there was a significant reduction of periarticular calcinosis, but no improvement in renal function, band keratopathy or hearing loss and possible calcification of the ossicles. The clinicopathologic features of metastatic calcification and the various treatment modalities are reviewed.

Adult↗

PubMed1996

Systemic scleroderma and perforating granuloma annulare: differential diagnosis from calcinosis.

BACKGROUND: Systemic scleroderma is a disorder of unknown etiology with skin sclerosis. Its major histological features are swollen and homogenized collagen bundles. OBJECTIVE AND METHODS: We describe 2 patients with systemic sclerosis who have multiple umbilicated nodules indistinguishable from calcinosis cutis. RESULTS: Histological examinations including Von Kossa staining revealed features of perforating granuloma annulare, but not of calcinosis cutis. CONCLUSION: The association may not be fortuitous but both diseases may be etiologically related.

Adult↗

PubMed1994

Necrotizing vascular calcinosis.

The case of a 62-year-old woman with end-stage renal failure who developed necrotizing vascular calcinosis is reported. Histologically, classical vascular calcinosis of arterioles with fibrosis of the intima were found in the subcutis and in the deep dermis.

Arterioles↗

PubMedDate not supplied

Calcinosis cutis in chronic renal failure diagnosed by fine needle aspiration. A case report.

BACKGROUND: Deposition of calcium salts in the skin and subcutis, referred to as calcinosis cutis, is a common complication in patients with end-stage renal disease. The lesion can present as a mass and is amenable to fine needle aspiration (FNA). CASE: A 48-year-old man undergoing hemodialysis following a failed renal transplant presented with a 1.5-cm neck nodule. A diagnosis of calcinosis cutis was made following FNA, which obtained semiliquid, chalky material. CONCLUSION: In cytologic preparations, deposits of calcium salts can be both amorphous and refractile on Diff-Quik and Papanicolaou stain. However, the material may not be birefringent with these stains. Alizarin red S stain for calcium will permit demonstration of the characteristic birefringence.

Biopsy, Needle↗

PubMedDate not supplied

Fine needle aspiration biopsy of calcinosis cutis. A case report.

BACKGROUND: Metastatic calcifications are currently an uncommon complication in patients with end-stage renal disease due to improvements in management of these patients. When present, however, calcifications may mimic neoplastic growth and can undergo fine needle aspiration biopsy (FNAB). CASE: A case of calcinosis cutis was diagnosed by FNAB in a 50-year-old male with a history of end-stage renal disease who presented with a subcutaneous nodule in the right side of his neck. CONCLUSION: The presence of histiocytes, foreign body-type giant cells and refractile material (calcium crystals) in FNAB material is diagnostic of calcinosis cutis in the proper clinical setting.

Biopsy, Needle↗

PubMed1987

Tumoral calcinosis in the neck.

Tumoral calcinosis manifests soft-tissue calcification, usually near major joints. It variably includes hyperphosphatemia, elevated 1,25-dihydroxycalciferol, and an affected sibling. Serum calcium, alkaline phosphatase, and parathyroid hormone are normal. Tumoral calcinosis of the head and neck is very rare, but this diagnosis should be considered when x-ray film of a poorly defined mass shows irregular soft-tissue calcification.

Adult↗

PubMed2002

Lingual calcinosis circumscripta in a dog.

Calcinosis circumscripta occurs rarely in dogs and cats, especially in the oral cavity. This case report describes the diagnosis and management of lingual calcinosis circumscripta in an eight-month-old, intact/male German shepherd-cross dog. An excellent prognosis for this disease may be achieved when the patient is managed as described in this report.

Animals↗