Isolated Tumoral Calcinosis in the Hip Mimicking Peri-articular Infection: A Case Report and Literature Review

Medellin MR,Soto-Montoya C,Gomez-Mier LC,Salinas-Alvarez V

doi:10.35248/2161-1149.19.9.256

Abstract

Introduction: Tumoral calcinosis is a rarely described metabolic condition, characterized by the accumulation of calcium hydroxyapatite crystals in the soft tissues. The purpose of this paper is to present a case of a tumoral calcinosis with uncommon characteristics in order to discuss the diagnosis and treatment options. Case report: We report the case of a 65 years-old patient with a multifactorial avascular necrosis of the femoral head, to which a hip replacement was planned. Due to the images observed preoperatively, infection was ruled out and after the studies; an isolated tumoral calcinosis was identified and confirmed with histopathological findings. Conclusion: Tumoral calcinosis is a benign pathology that can create confusion due to the nonspecific characteristics. Metabolic profile studies and multimodal imaging are recommended to diagnose this condition adequately. In some cases, biopsy or aspiration can also be helpful to confirm the diagnosis.

Highlights

Tumoral calcinosis is a rarely described metabolic condition, characterized by the accumulation of calcium hydroxyapatite crystals in the soft tissues
Tumor calcinosis is a rare pathology characterized by the accumulation of calcium hydroxyapatite crystals in the soft tissues
The objective of this article is to present a case of tumoral calcinosis and discuss the diagnostic approach and treatment based on the current literature

Summary

Introduction

Tumoral calcinosis is a rarely described metabolic condition, characterized by the accumulation of calcium hydroxyapatite crystals in the soft tissues. Tumor calcinosis is a rare pathology characterized by the accumulation of calcium hydroxyapatite crystals in the soft tissues. It is frequently caused by errors in phosphorus metabolism associated with conditions such as hyperphosphatemia, or in sporadic cases has been related with mutations in the gene GALNT3, FGF23 or KL, with expression usually autosomal recessive. The diagnostic images show calcifications in the soft tissues which are usually nonspecific. The axial tomography can show images of cystic calcifications Other functional studies such as bone scans or PET are usually inconclusive [4]

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