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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Calciphylaxis on Technetium Bone Scan: Two Case Reports</title><author><name sortKey="Gripp, Mj" sort="Gripp, Mj" uniqKey="Gripp M" first="Mj" last="Gripp">Mj Gripp</name></author><author><name sortKey="Gagliardi, Ja" sort="Gagliardi, Ja" uniqKey="Gagliardi J" first="Ja" last="Gagliardi">Ja Gagliardi</name></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">27303457</idno><idno type="pmc">4891618</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4891618</idno><idno type="RBID">PMC:4891618</idno><idno type="doi">10.2484/rcr.v2i2.77</idno><date when="2015">2015</date><idno type="wicri:Area/Pmc/Corpus">002384</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">002384</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Calciphylaxis on Technetium Bone Scan: Two Case Reports</title><author><name sortKey="Gripp, Mj" sort="Gripp, Mj" uniqKey="Gripp M" first="Mj" last="Gripp">Mj Gripp</name></author><author><name sortKey="Gagliardi, Ja" sort="Gagliardi, Ja" uniqKey="Gagliardi J" first="Ja" last="Gagliardi">Ja Gagliardi</name></author></analytic><series><title level="j">Radiology Case Reports</title><idno type="eISSN">1930-0433</idno><imprint><date when="2015">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>Calciphylaxis is a rare but feared condition thought to related to derangements in calcium and phosphorus metabolism. The syndrome has a predilection for obese women receiving dialysis for chronic renal failure (<xref rid="bib1" ref-type="bibr">1</xref>, <xref rid="bib2" ref-type="bibr">2</xref>). Patients develop painful violaceous lesions in the subcutis, which can lead to ulceration and wound-related sepsis. In severe cases, amputation is required for the gangrenous involved extremity (<xref rid="bib3" ref-type="bibr">3</xref>).</p><p>We present two cases of calciphylaxis with similar clinical presentations and physical findings.</p></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Janigan" uniqKey="Janigan">Janigan</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Janigan, Dt" uniqKey="Janigan D">DT Janigan</name></author><author><name sortKey="Prokopetz, Rd" uniqKey="Prokopetz R">RD Prokopetz</name></author><author><name sortKey="Chawla, S" uniqKey="Chawla S">S Chawla</name></author><author><name sortKey="Durning, Rg" uniqKey="Durning R">RG Durning</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Duh, Qy" uniqKey="Duh Q">QY Duh</name></author><author><name sortKey="Lim, Rc" uniqKey="Lim R">RC Lim</name></author><author><name sortKey="Clark, Oh" uniqKey="Clark O">OH Clark</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Selye, H" uniqKey="Selye H">H Selye</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Cicone, J" uniqKey="Cicone J">J Cicone</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Fine, A" uniqKey="Fine A">A Fine</name></author><author><name sortKey="Zacharias, J" uniqKey="Zacharias J">J Zacharias</name></author></analytic></biblStruct></listBibl></div1></back></TEI><pmc article-type="case-report"><pmc-dir>properties open_access</pmc-dir>
<front><journal-meta><journal-id journal-id-type="nlm-ta">Radiol Case Rep</journal-id><journal-id journal-id-type="iso-abbrev">Radiol Case Rep</journal-id><journal-title-group><journal-title>Radiology Case Reports</journal-title></journal-title-group><issn pub-type="epub">1930-0433</issn><publisher><publisher-name>Elsevier</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">27303457</article-id><article-id pub-id-type="pmc">4891618</article-id><article-id pub-id-type="publisher-id">S1930-0433(15)30364-2</article-id><article-id pub-id-type="doi">10.2484/rcr.v2i2.77</article-id><article-categories><subj-group subj-group-type="heading"><subject>Article</subject></subj-group></article-categories><title-group><article-title>Calciphylaxis on Technetium Bone Scan: Two Case Reports</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>Gripp</surname><given-names>MJ</given-names></name><email>grippitis@yahoo.com</email><xref rid="fn1" ref-type="fn">1</xref></contrib><contrib contrib-type="author"><name><surname>Gagliardi</surname><given-names>JA</given-names></name><xref rid="fn1" ref-type="fn">1</xref></contrib></contrib-group><author-notes><fn id="fn1"><label>1</label><p id="cenpara30">Mark J. Gripp and Joseph A. Gagliardi are from St. Vincent's Medical Center, Department of Radiology, Bridgeport, CT, United States of America.</p></fn></author-notes><pub-date pub-type="pmc-release"><day>07</day><month>12</month><year>2015</year></pub-date><pmc-comment> PMC Release delay is 0 months and 0 days and was based on .</pmc-comment>
<pub-date pub-type="collection"><year>2007</year></pub-date><pub-date pub-type="epub"><day>07</day><month>12</month><year>2015</year></pub-date><volume>2</volume><issue>2</issue><fpage>30</fpage><lpage>32</lpage><permissions><copyright-statement>© 2007 The Authors.</copyright-statement><copyright-year>2007</copyright-year><license license-type="CC BY-NC-ND" xlink:href="http://creativecommons.org/licenses/by-nc-nd/4.0/"><license-p>This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).</license-p></license></permissions><abstract id="ceab10"><p>Calciphylaxis is a rare but feared condition thought to related to derangements in calcium and phosphorus metabolism. The syndrome has a predilection for obese women receiving dialysis for chronic renal failure (<xref rid="bib1" ref-type="bibr">1</xref>, <xref rid="bib2" ref-type="bibr">2</xref>). Patients develop painful violaceous lesions in the subcutis, which can lead to ulceration and wound-related sepsis. In severe cases, amputation is required for the gangrenous involved extremity (<xref rid="bib3" ref-type="bibr">3</xref>).</p><p>We present two cases of calciphylaxis with similar clinical presentations and physical findings.</p></abstract><kwd-group id="cekeyws10"><title>Abbreviations</title><kwd>PTH, parathormone</kwd></kwd-group></article-meta></front><body><sec id="cesec10"><title>Case Report</title><sec id="cesec20"><title>Case 1</title><p>A 44-year-old white female with a history of end-stage renal disease on hemodialysis for approximately 24 months, then switched to continuous ambulatory peritoneal dialysis for several months prior to hospital admission for volume depletion. Past medical history also includes obesity, hypertension, anemia, and type II diabetes. Approximately five days prior to admission the patient experienced severe lower extremity pain from long-standing skin lesions (<xref rid="fig1" ref-type="fig">Figure 1</xref>).</p><p>Laboratory tests demonstrated a calcium level of 9.1 mg/dl (normal range 8.5 – 10.0) and phosphorus levels ranging from 3.3 – 4.9 mg/dl (normal range 2.7 – 4.5). Alkaline phosphatase was elevated at 171 (normal range 27 – 100). Serum parathormone (PTH) was normal, measuring 63 IU/L (normal range 15 – 75). The imaging findings (<xref rid="fig2" ref-type="fig">Figure 2</xref>) demonstrate confluent areas of minimally increased activity extending up the flanks to the level of the lower thorax. This finding is nonspecific, and could be related soft tissue anasarca. More intense activity is appreciated in the medial thighs, thought to correlate with the patient's skin lesions seen in the following photograph. The radionuclide distribution is slightly less focal as seen in Case 2, however, suggests calciphylaxis accounting for the clinical and physical findings.</p></sec><sec id="cesec30"><title>Case 2</title><p>A 54-year-old white female with a history of chronic renal failure requiring hemodialysis for approximately 12 months. Past medical history includes morbid obesity, type II diabetes, left lower extremity deep vein thrombosis, chronic lymphedema, and congestive heart failure. An open wound between abdominal folds in the right lower quadrant was being followed by surgery for approximately two months. Serum calcium was within normal range, measuring 8.3 mg/dl. Serum phosphorus was elevated, measuring 4.5 – 5.3 mg/dl. Serum PTH was normal, measuring 45 IU/L. The imaging findings (<xref rid="fig3" ref-type="fig">Figure 3</xref>) demonstrate more focal activity in the lower extremities when compared to Case 1, more typical and specific for calciphylaxis.</p></sec></sec><sec id="cesec40"><title>Discussion</title><p>Selye (<xref rid="bib4" ref-type="bibr">4</xref>) is credited for the early descriptions of calciphylaxis based on experimentation with rat models. Vitamin D or parathormone was administered to achieve hypercalcemia, and then the skin of the rat was injured using varying applications of mechanical force or chemicals. Seyle observed calcification and necrosis in some of the compromised tissue.</p><p>Current literature suggests notable differences between the lesions Seyle described and the human counterpart of the syndrome (<xref rid="bib1" ref-type="bibr">1</xref>). In humans, the syndrome is thought to emanate from elevated serum calcium-x-phosphorus product and elevated parathormone. Calcium salts are deposited in the media of small arteries and arterioles, leading to thrombosis. This process is referred to as the primary lesion of the human syndrome. These and other perfusion related changes lead to skin infarct and necrosis, deemed the secondary lesion of the human syndrome. The histologic changes associated with the primary and secondary lesions of the human syndrome were not initially described by Selye, and are currently felt to extend beyond the umbrella of classically described calciphylaxis. Current literature suggests a new moniker for the human syndrome to more accurately represent the histopathologic entity. Suggestions include subcutaneous calcific arteriolopathy and calcificuremic arteriolopathy.</p><p>Treatment for calciphylaxis depends on the severity of the clinical presentation. Local wound care and reduction of calcium intake remain the least invasive modes of therapy. More severe cases have been treated with subtotal parathyroidectomy (<xref rid="bib3" ref-type="bibr">3</xref>). Recently, reports of treatment with IV sodium thiophosphate have demonstrated significant improvement of the clinical syndrome (<xref rid="bib5" ref-type="bibr">5</xref>). Anecdotally, Case 1 above was treated with IV sodium thiophosphate and showed marked improvement in pain and appearance of the skin lesions approximately two weeks into treatment.</p></sec><sec id="cesec50"><title>Imaging</title><p>The lesions of calciphylaxis tend to predicate the lower abdominal wall and upper thighs. The calcific deposits in the soft tissues can be seen on Tc 99-m bone scan as mild to moderate increased activity distributed diffusely or focally in the areas of soft tissue involvement. The diagnosis of calciphylaxis is usually clinically apparent. Technetium bone scan can provide supportive information to the clinician and can also be used to monitor therapy (<xref rid="bib5" ref-type="bibr">5</xref>, <xref rid="bib6" ref-type="bibr">6</xref>).</p></sec><sec id="cesec60"><title>Conclusion</title><p>Although radiology and nuclear medicine usually does not play a primary role in calciphylaxis diagnosis, imaging characteristics can compliment the clinical findings. In the appropriate setting, calciphylaxis can be included as one of the handful of conditions that can demonstrate soft tissue uptake on radionuclide bone scan. Radionuclide bone scan may have a role to monitor therapy as suggested by Cicone et al. (<xref rid="bib5" ref-type="bibr">5</xref>), especially with the promising early data describing success with IV medications like sodium thiophosphate.</p></sec></body><back><ref-list><title>References</title><ref id="bib1"><label>1</label><element-citation publication-type="journal" id="sbref10"><person-group person-group-type="author"><name><surname>Janigan</surname></name></person-group><source>American Journal of Kidney Diseases</source><volume>35</volume><issue>4</issue><year>April, 2000</year><fpage>588</fpage><lpage>597</lpage><ext-link ext-link-type="uri" xlink:href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=10739777&query_hl=9&itool=pubmed_docsum" id="interrefs40">[PubMed]</ext-link><pub-id pub-id-type="pmid">10739777</pub-id></element-citation></ref><ref id="bib2"><label>2</label><element-citation publication-type="journal" id="sbref20"><person-group person-group-type="author"><name><surname>Janigan</surname><given-names>DT</given-names></name><name><surname>Prokopetz</surname><given-names>RD</given-names></name><name><surname>Chawla</surname><given-names>S</given-names></name><name><surname>Durning</surname><given-names>RG</given-names></name></person-group><article-title>Massive necrosis of fat and skin as complication of obesity</article-title><source>Can Med Assoc J</source><volume>1450</volume><year>1989</year><fpage>665</fpage><lpage>668</lpage><ext-link ext-link-type="uri" xlink:href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=2920339&query_hl=9&itool=pubmed_docsum" id="interrefs50">[PubMed]</ext-link><pub-id pub-id-type="pmid">2920339</pub-id></element-citation></ref><ref id="bib3"><label>3</label><element-citation publication-type="journal" id="sbref30"><person-group person-group-type="author"><name><surname>Duh</surname><given-names>QY</given-names></name><name><surname>Lim</surname><given-names>RC</given-names></name><name><surname>Clark</surname><given-names>OH</given-names></name></person-group><article-title>Calciphylaxis in secondary hyperparathyroidism. Diagnosis and parathyroidectomy</article-title><source>Arch Surg</source><volume>126</volume><issue>10</issue><year>1991 Oct</year><fpage>1213</fpage><lpage>1218</lpage><comment>discussion 1218-9</comment><ext-link ext-link-type="uri" xlink:href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=1929821&query_hl=9&itool=pubmed_docsum" id="interrefs60">[PubMed]</ext-link><pub-id pub-id-type="pmid">1929821</pub-id></element-citation></ref><ref id="bib4"><label>4</label><element-citation publication-type="book" id="sbref40"><person-group person-group-type="author"><name><surname>Selye</surname><given-names>H</given-names></name></person-group><source>Calcyphylaxis</source><year>1962</year><publisher-name>University of Chicago Press</publisher-name><publisher-loc>Chicago</publisher-loc></element-citation></ref><ref id="bib5"><label>5</label><element-citation publication-type="journal" id="sbref50"><person-group person-group-type="author"><name><surname>Cicone</surname><given-names>J</given-names></name></person-group><article-title>Successful treatment of calciphylaxis with intravenous sodium thiophosphate</article-title><source>American Journal of Kidney Diseases</source><volume>43</volume><issue>6</issue><year>June, 2004</year><fpage>1104</fpage><lpage>1108</lpage><ext-link ext-link-type="uri" xlink:href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=15168392&query_hl=9&itool=pubmed_docsum" id="interrefs70">[PubMed]</ext-link><pub-id pub-id-type="pmid">15168392</pub-id></element-citation></ref><ref id="bib6"><label>6</label><element-citation publication-type="journal" id="sbref60"><person-group person-group-type="author"><name><surname>Fine</surname><given-names>A</given-names></name><name><surname>Zacharias</surname><given-names>J</given-names></name></person-group><article-title>Calciphylaxis is usually non-ulcerating: Risk factors, outcomes, and therapy</article-title><source>Kidney Int</source><volume>61</volume><year>2002</year><fpage>2210</fpage><lpage>2217</lpage><ext-link ext-link-type="uri" xlink:href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=12028462&query_hl=9&itool=pubmed_docsum" id="interrefs80">[PubMed]</ext-link><pub-id pub-id-type="pmid">12028462</pub-id></element-citation></ref></ref-list><fn-group><fn id="d32e45"><p id="cenpara10">Competing interests: The authors have declared that no competing interests exist.</p></fn><fn id="d32e48"><p id="cenpara20"><bold>Published:</bold> 2007</p></fn></fn-group></back><floats-group><fig id="fig1"><label>Figure 1</label><caption><p>Photographs of the lower extremities demonstrate multiple ulcerated lesions with surrounding violaceous changes in the skin. [<ext-link ext-link-type="uri" xlink:href="http://radiology.casereports.net/slides/rcr2007.2.30.1.ppt" id="interrefs10">Powerpoint Slide</ext-link>]</p></caption><graphic xlink:href="gr1"></graphic></fig><fig id="fig2"><label>Figure 2</label><caption><p>Tc-99m bone scan reveals confluent areas of moderately increased activity predominately around the medial and lateral aspects of the thighs. This radionuclide distribution corresponded to the locations of the patient's cutaneous lesions. Minimal activity is also appreciated extending up the flanks to the level of the lower thorax. Of note on the bone scan is the patient's large body habitus. There are very faint renal outlines without bladder activity related to the underlying renal failure. [<ext-link ext-link-type="uri" xlink:href="http://radiology.casereports.net/slides/rcr2007.2.30.2.ppt" id="interrefs20">Powerpoint Slide</ext-link>]</p></caption><graphic xlink:href="gr2"></graphic></fig><fig id="fig3"><label>Figure 3</label><caption><p>Tc-99m bone scan reveals confluent areas of moderately increased activity predominately around the medial and lateral aspects of the thighs. This radionuclide distribution corresponded to the locations of the patient's cutaneous lesions. Minimal activity is also appreciated extending up the flanks to the level of the lower thorax. Of note on the bone scan is the patient's large body habitus. There are very faint renal outlines without bladder activity related to the underlying renal failure. [<ext-link ext-link-type="uri" xlink:href="http://radiology.casereports.net/slides/rcr2007.2.30.3.ppt" id="interrefs30">Powerpoint Slide</ext-link>]</p></caption><graphic xlink:href="gr3"></graphic></fig></floats-group></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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