Recurrence of secondary hyperparathyroidism in patients after total parathyroidectomy with autotransplantation: technical and therapeutic aspects.
Summary of "Recurrence of secondary hyperparathyroidism in patients after total parathyroidectomy with autotransplantation: technical and therapeutic aspects."
Recurrence of secondary hyperparathyroidism (rSHPT) in patients after total parathyroidectomy (TPTX) with autotransplantation (AT) represents a major diagnostic and therapeutic challenge. The aim of this retrospective cohort study was to evaluate rSHPT in patients after TPTX with AT and the subsequent surgical treatment. 112 patients with secondary hyperparathyroidism (surgery 1998-2008) were evaluated. In 16 patients, rSHPT was detected, while all of them had been originally operated with TPTX, cervical thymectomy and AT. The recurrence rate of TPTX with AT in our patient cohort was 14.2% (16/112). All the 16 patients with rSHPT suffered from forearm-autotransplant(s) hyperparathyroidism (AT-HPT). AT-HPT was diagnosed after a median of 5.6 years (1.5-11 years). All "forearm" AT-HPT operations were performed using the method of intra-operative parathyroid-hormone measurement. The histopathologic result showed hyperplasia or an adenoma of the reimplanted parathyroid gland (PTG) particles. The parathyroid hormone measurement (PTH) showed normal values in all cases 2 weeks after surgery. In none of the patients persistent hypocalcemia was observed. Our data demonstrates that the high rate of rSHPT in patients after TPTX with AT with renal-insufficiency represents an unsolved problem, often leading to re-operation including possible morbidity. Although we are not showing direct data, we propose, that the alternative method of TPTX without AT, simultaneous cryopreservation and potential metachronous reimplantation could offer an excellent alternative. However, this therapy option needs to be validated in further clinical trials.
Department of Surgery, University Hospital Regensburg, Franz-Josef-Strauss Allee 11, 93053, Regensburg, Germany.
This article was published in the following journal.
- PubMed Source: http://www.ncbi.nlm.nih.gov/pubmed/21990052
- DOI: http://dx.doi.org/10.1007/s00405-011-1776-7
Medical and Biotech [MESH] Definitions
A condition of abnormally elevated output of PARATHYROID HORMONE (or PTH) triggering responses that increase blood CALCIUM. It is characterized by HYPERCALCEMIA and BONE RESORPTION, eventually leading to bone diseases. PRIMARY HYPERPARATHYROIDISM is caused by parathyroid HYPERPLASIA or PARATHYROID NEOPLASMS. SECONDARY HYPERPARATHYROIDISM is increased PTH secretion in response to HYPOCALCEMIA, usually caused by chronic KIDNEY DISEASES.
Abnormally elevated PARATHYROID HORMONE secretion as a response to HYPOCALCEMIA. It is caused by chronic KIDNEY FAILURE or other abnormalities in the controls of bone and mineral metabolism, leading to various BONE DISEASES, such as RENAL OSTEODYSTROPHY.
Decalcification of bone or abnormal bone development due to chronic KIDNEY DISEASES, in which 1,25-DIHYDROXYVITAMIN D3 synthesis by the kidneys is impaired, leading to reduced negative feedback on PARATHYROID HORMONE. The resulting SECONDARY HYPERPARATHYROIDISM eventually leads to bone disorders.
Excision of one or both of the parathyroid glands.
Neoplasm Recurrence, Local
The local recurrence of a neoplasm following treatment. It arises from microscopic cells of the original neoplasm that have escaped therapeutic intervention and later become clinically visible at the original site.
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