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==Overview==
Milk-alkali syndrome must be differentiated from other causes of hypercalcemia.
==Milk-alkali syndrome differential diagnosis==
Milk-alkali syndrome must be differentiated from other causes of hypercalcemia.<ref name="pmid1346019">{{cite journal |vauthors=Ratcliffe WA, Hutchesson AC, Bundred NJ, Ratcliffe JG |title=Role of assays for parathyroid-hormone-related protein in investigation of hypercalcaemia |journal=Lancet |volume=339 |issue=8786 |pages=164–7 |year=1992 |pmid=1346019 |doi=10.1016/0140-6736(92)90220-W |url=}}</ref><ref name="pmid26713296">{{cite journal |vauthors=Mirrakhimov AE |title=Hypercalcemia of Malignancy: An Update on Pathogenesis and Management |journal=N Am J Med Sci |volume=7 |issue=11 |pages=483–93 |year=2015 |pmid=26713296 |pmc=4683803 |doi=10.4103/1947-2714.170600 |url=}}</ref><ref name="pmid12679445">{{cite journal |vauthors=Horwitz MJ, Tedesco MB, Sereika SM, Hollis BW, Garcia-Ocaña A, Stewart AF |title=Direct comparison of sustained infusion of human parathyroid hormone-related protein-(1-36) [hPTHrP-(1-36)] versus hPTH-(1-34) on serum calcium, plasma 1,25-dihydroxyvitamin D concentrations, and fractional calcium excretion in healthy human volunteers |journal=J. Clin. Endocrinol. Metab. |volume=88 |issue=4 |pages=1603–9 |year=2003 |pmid=12679445 |doi=10.1210/jc.2002-020773 |url=}}</ref><ref name="pmid7962324">{{cite journal |vauthors=Ikeda K, Ohno H, Hane M, Yokoi H, Okada M, Honma T, Yamada A, Tatsumi Y, Tanaka T, Saitoh T |title=Development of a sensitive two-site immunoradiometric assay for parathyroid hormone-related peptide: evidence for elevated levels in plasma from patients with adult T-cell leukemia/lymphoma and B-cell lymphoma |journal=J. Clin. Endocrinol. Metab. |volume=79 |issue=5 |pages=1322–7 |year=1994 |pmid=7962324 |doi=10.1210/jcem.79.5.7962324 |url=}}</ref><ref name="pmid16263810">{{cite journal |vauthors=VanHouten JN, Yu N, Rimm D, Dotto J, Arnold A, Wysolmerski JJ, Udelsman R |title=Hypercalcemia of malignancy due to ectopic transactivation of the parathyroid hormone gene |journal=J. Clin. Endocrinol. Metab. |volume=91 |issue=2 |pages=580–3 |year=2006 |pmid=16263810 |doi=10.1210/jc.2005-2095 |url=}}</ref><ref name="pmid2918061">{{cite journal |vauthors=Mallette LE, Khouri K, Zengotita H, Hollis BW, Malini S |title=Lithium treatment increases intact and midregion parathyroid hormone and parathyroid volume |journal=J. Clin. Endocrinol. Metab. |volume=68 |issue=3 |pages=654–60 |year=1989 |pmid=2918061 |doi=10.1210/jcem-68-3-654 |url=}}</ref><ref name="pmid9215298">{{cite journal |vauthors=Dusso AS, Kamimura S, Gallieni M, Zhong M, Negrea L, Shapiro S, Slatopolsky E |title=gamma-Interferon-induced resistance to 1,25-(OH)2 D3 in human monocytes and macrophages: a mechanism for the hypercalcemia of various granulomatoses |journal=J. Clin. Endocrinol. Metab. |volume=82 |issue=7 |pages=2222–32 |year=1997 |pmid=9215298 |doi=10.1210/jcem.82.7.4074 |url=}}</ref>
 
{|
! colspan="9" style="background: #4479BA; text-align: center;" |{{fontcolor|#FFF|Differential diagnosis of milk-alkali syndrome on the basis of hypercalcemia}}
|-
! colspan="2" rowspan="2" style="background: #7d7d7d; text-align: center;" |{{fontcolor|#FFF|Disorder}}
! rowspan="2" style="background: #7d7d7d; text-align: center;" |{{fontcolor|#FFF|Mechanism of hypercalcemia}}
! rowspan="2" style="background: #7d7d7d; text-align: center;" |{{fontcolor|#FFF|Clinical features}}
! colspan="4" style="background: #7d7d7d; text-align: center;" |{{fontcolor|#FFF|Laboratory findings}}
! rowspan="2" style="background: #7d7d7d; text-align: center;" |{{fontcolor|#FFF|Imaging & diagnostic modalities}}
|-
! style="background: #7d7d7d; text-align: center;" |{{fontcolor|#FFF|PTH}}
! style="background: #7d7d7d; text-align: center;" |{{fontcolor|#FFF|Calcium}}
! style="background: #7d7d7d; text-align: center;" |{{fontcolor|#FFF|Phosphate}}
! style="background: #7d7d7d; text-align: center;" |{{fontcolor|#FFF|Other findings}}
|-
! rowspan="3" style="background: #DCDCDC; text-align: center;" |'''Hyperparathyroidism'''
! style="background: #DCDCDC; text-align: center;" |Primary hyperparathyroidism
| style="background: #F5F5F5;" |Increase in [[secretion]] of [[parathyroid hormone]] ([[PTH]]) from a primary process in [[parathyroid gland]]. [[Parathyroid hormone]] causes increase in [[serum]] [[calcium]].
| style="background: #F5F5F5;" |
* Usually asymptomatic
* [[Hypercalcemia]] detected on routine biochemical panel
| style="background: #F5F5F5; text-align: center;" |↑
| style="background: #F5F5F5; text-align: center;" |↑
| style="background: #F5F5F5; text-align: center;" |↓/Normal
| style="background: #F5F5F5; text-align: center;" |Normal/↑ calcitriol
| rowspan="3" style="background: #F5F5F5;" |Findings of bone resorption:
* [[X-ray]]
* [[Dual energy X-ray absorptiometry]] ([[DXA]])
Preoperative localization of hyperfunctioning [[parathyroid gland]]:
* Non-Invasive
** [[Tc-99m sestamibi scintigraphy]]
** Neck [[ultrasound]]
** 4D-CT
** [[SPECT]](P-SPECT)
** [[Positron emission tomography|PET]]
** [[MRI]]
* Invasive:
** Super sensitive [[venous]] sampling
** Selective [[arteriography]]
** [[Angiogram|Angiography]]
Predicting post-operative success:
* [[Intraoperative parathyroid hormone]] monitoring
|-
! style="background: #DCDCDC; text-align: center;" |Secondary hyperparathyroidism
| style="background: #F5F5F5;" |Increase in [[secretion]] of [[parathyroid hormone]] ([[PTH]]) from a secondary process. [[Parathyroid hormone]] causes increase in [[serum]] [[calcium]] after long periods.
| style="background: #F5F5F5;" |
* May present with history of:
** [[Chronic renal failure]]
** [[Vitamin D deficiency]]
| style="background: #F5F5F5; text-align: center;" |↑
| style="background: #F5F5F5; text-align: center;" |↓/Normal
| style="background: #F5F5F5; text-align: center;" |↑
| style="background: #F5F5F5; text-align: center;" | --
|-
! style="background: #DCDCDC; text-align: center;" |Tertiary hyperparathyroidism
| style="background: #F5F5F5;" |Continuous elevation of [[parathyroid hormone]] (PTH) even after successful treatment of the secondary cause of elevated [[parathyroid hormone]]. [[Parathyroid hormone]] causes increase in serum calcium.
| style="background: #F5F5F5;" |
* Usually present with history of [[kidney transplant]]
* Usually [[hyperplasia]] of all four [[parathyroid glands]]
| style="background: #F5F5F5; text-align: center;" |↑
| style="background: #F5F5F5; text-align: center;" |↑
| style="background: #F5F5F5; text-align: center;" |↑
| style="background: #F5F5F5; text-align: center;" | --
|-
! colspan="2" style="background: #DCDCDC; text-align: center;" |[[Familial hypocalciuric hypercalcemia]]
| style="background: #F5F5F5;" |This is a [[genetic disorder]] caused my [[mutation]] in [[calcium-sensing receptor]] gene.
| style="background: #F5F5F5;" |
* A benign condition
* Does not require treatment
| style="background: #F5F5F5; text-align: center;" |Normal/↑
| style="background: #F5F5F5; text-align: center;" |Normal/↑
| style="background: #F5F5F5; text-align: center;" | --
| style="background: #F5F5F5; text-align: center;" | --
| style="background: #F5F5F5;" |
* Urinary calcium/creatinine clearance ratio
|-
! rowspan="4" style="background: #DCDCDC; text-align: center;" |'''Malignancy'''
! style="background: #DCDCDC; text-align: center;" |Humoral hypercalcemia of malignancy
| style="background: #F5F5F5;" |[[Tumor]] cells secretes [[parathyroid hormone-related protein]] ([[PTHrP]]) which has similar action as [[parathyroid hormone]].
| style="background: #F5F5F5;" |
* Most common cause of [[malignancy]] related [[hypercalcemia]]
* Usually present with [[solid tumors]]
| style="background: #F5F5F5; text-align: center;" | --
| style="background: #F5F5F5; text-align: center;" |↑
| style="background: #F5F5F5; text-align: center;" |↓/Normal
| style="background: #F5F5F5; text-align: center;" |↑ [[PTHrP]]
 
Normal/↑ calcitriol
| style="background: #F5F5F5;" |
* [[Chest X-rays|Chest X-ray]]
* [[CT scan]]
* [[MRI]]
|-
! style="background: #DCDCDC; text-align: center;" |Osteolytic tumors
| style="background: #F5F5F5;" |[[Multiple myeloma]] produces [[osteolysis]] of [[bones]] causing [[hypercalcemia]]. [[Osteolytic metasteses]] can cause [[bone resorption]] causing [[hypercalcemia]].
| style="background: #F5F5F5;" |
* Commonly present in [[multiple myeloma]] and [[breast cancer]]
| style="background: #F5F5F5; text-align: center;" |↓
| style="background: #F5F5F5; text-align: center;" |↑
| style="background: #F5F5F5; text-align: center;" | --
| style="background: #F5F5F5; text-align: center;" | --
| style="background: #F5F5F5;" |
* [[DXA]]
* [[X-ray]]
* [[Mammography]]
* [[Ultrasound]]
* [[ESR]]
* [[Serum protein electrophoresis]]
|-
! style="background: #DCDCDC; text-align: center;" |Production of calcitirol
| style="background: #F5F5F5;" |Some tumors has ectopic activity of 1-alpha-hydroxylase leading to increased production of [[calcitriol]]. [[Calcitriol]] is active form of [[vitamin D]] and causes [[hypercalcemia]].
| style="background: #F5F5F5;" |
* Commonly present in [[lymphomas]] and in some [[Ovarian cancer|ovarian germ cell tumors]]
| style="background: #F5F5F5; text-align: center;" | --
| style="background: #F5F5F5; text-align: center;" |↑
| style="background: #F5F5F5; text-align: center;" | --
| style="background: #F5F5F5; text-align: center;" |↑ [[Calcitriol]]
| style="background: #F5F5F5;" |
* [[CT scan]]
* [[MRI]]
|-
! style="background: #DCDCDC; text-align: center;" |Ectopic parathyroid hormone
| style="background: #F5F5F5;" |Some tumors leads to [[Ectopia|ectopic]] production of [[parathyroid hormone]].
| style="background: #F5F5F5;" |
* In rare instances, [[small cell carcinoma of lung]] may produce [[hypercalcemia]] by this process
| style="background: #F5F5F5; text-align: center;" |↑
| style="background: #F5F5F5; text-align: center;" |↑
| style="background: #F5F5F5; text-align: center;" |↓/Normal
| style="background: #F5F5F5; text-align: center;" |Normal/↑ [[calcitriol]]
| style="background: #F5F5F5;" |
* [[Chest X-rays|Chest X-ray]]
* [[CT scan]]
* [[MRI]]
|-
! rowspan="2" style="background: #DCDCDC; text-align: center;" |'''Medication induced'''
! style="background: #DCDCDC; text-align: center;" |Lithium
| style="background: #F5F5F5;" |[[Lithium]] lowers [[Urinary System|urinary]] [[calcium]] and causes [[hypercalcemia]]. [[Lithium]] has been reported to cause an increase in [[parathyroid hormone]] and enlargement if [[parathyroid gland]] after weeks to months of therapy.
| style="background: #F5F5F5;" |
* History of [[mood disorder]]
| style="background: #F5F5F5; text-align: center;" |↑
| style="background: #F5F5F5; text-align: center;" |↑
| style="background: #F5F5F5; text-align: center;" | --
| style="background: #F5F5F5; text-align: center;" | --
| style="background: #F5F5F5;" |
* [[Lithium]] levels
|-
! style="background: #DCDCDC; text-align: center;" |Thiazide diuretics
| style="background: #F5F5F5;" |[[Thiazide diuretics]] lowers [[urinary]] [[calcium]] [[excretion]] and causes [[hypercalcemia]].
| style="background: #F5F5F5;" |
* History of [[cardiac]] disorder
* Rarely causes [[hypercalcemia]]
| style="background: #F5F5F5; text-align: center;" | --
| style="background: #F5F5F5; text-align: center;" |↑
| style="background: #F5F5F5; text-align: center;" | --
| style="background: #F5F5F5; text-align: center;" | --
| style="background: #F5F5F5;" | --
|-
! rowspan="2" style="background: #DCDCDC; text-align: center;" |'''Nutritional'''
! style="background: #DCDCDC; text-align: center;" |Milk-alkali syndrome
| style="background: #F5F5F5;" |[[Hypercalcemia]] is be caused by high intake of [[calcium carbonate]].
| style="background: #F5F5F5;" |
* History of
** High milk intake
** Excess calcium intake for treating:
*** [[Osteoporosis]]
*** [[Dyspepsia]]
* May lead to [[metabolic alkalosis]] and [[renal insufficiency]].
| style="background: #F5F5F5; text-align: center;" | --
| style="background: #F5F5F5; text-align: center;" |↑
| style="background: #F5F5F5; text-align: center;" | --
| style="background: #F5F5F5; text-align: center;" | --
| style="background: #F5F5F5;" |
* [[Renal function tests]]
|-
! style="background: #DCDCDC; text-align: center;" |Vitamin D toxicity
| style="background: #F5F5F5;" |Excess [[vitamin D]] causes increased [[absorption]] of [[calcium]] from [[intestine]] causing [[hypercalcemia]].
| style="background: #F5F5F5;" |
* History of:
** Excess intake [[vitamin D]]
** Excess milk fortified with [[vitamin D]]<ref name="pmid1313547">{{cite journal |vauthors=Jacobus CH, Holick MF, Shao Q, Chen TC, Holm IA, Kolodny JM, Fuleihan GE, Seely EW |title=Hypervitaminosis D associated with drinking milk |journal=N. Engl. J. Med. |volume=326 |issue=18 |pages=1173–7 |year=1992 |pmid=1313547 |doi=10.1056/NEJM199204303261801 |url=}}</ref>
** Topical application of vitamin D analogue [[calcipotriol]]<ref name="pmid8120527">{{cite journal |vauthors=Hoeck HC, Laurberg G, Laurberg P |title=Hypercalcaemic crisis after excessive topical use of a vitamin D derivative |journal=J. Intern. Med. |volume=235 |issue=3 |pages=281–2 |year=1994 |pmid=8120527 |doi= |url=}}</ref>
| style="background: #F5F5F5; text-align: center;" | --
| style="background: #F5F5F5; text-align: center;" |↑
| style="background: #F5F5F5; text-align: center;" | --
| style="background: #F5F5F5; text-align: center;" |↑ [[Vitamin D]] ([[calcidiol]] and/or [[calcitriol]])
| style="background: #F5F5F5;" | --
|-
! style="background: #DCDCDC; text-align: center;" |'''Granulomatous disease'''
! style="background: #DCDCDC; text-align: center;" |Sarcoidosis
| style="background: #F5F5F5;" |[[Hypercalcemia]] is causes by endogeous production of [[calcitriol]] by disease-activated [[Macrophage|macrophages]].
| style="background: #F5F5F5;" |
* History of:
** [[Cough]]
** [[Dyspnea]]
** [[Chest pain]]
** [[Tiredness]] or [[weakness]]
** [[Fever]]
** [[Weight loss]]
| style="background: #F5F5F5; text-align: center;" | --
| style="background: #F5F5F5; text-align: center;" |↑
| style="background: #F5F5F5; text-align: center;" | --
| style="background: #F5F5F5; text-align: center;" |↑ [[Calcitriol]]
 
↑ [[ACE]] levels
| style="background: #F5F5F5;" |
* [[Chest X-ray]]
* [[Biopsy]]
|}
 
==References==
==References==
{{reflist|2}}
{{reflist|2}}
{{WH}}
{{WH}}
{{WS}}
{{WS}}
[[Category:Needs content]]
[[Category:Needs content]]
[[Category:Electrolyte disturbances]]
[[Category:Electrolyte disturbances]]
[[Category:Calcium]]
[[Category:Calcium]]
[[Category:Urinary system]]
[[Category:Urinary system]]
[[Category:Diseases]]
[[Category:Disease]]
[[Category:Kidney diseases]]
[[Category:Kidney diseases]]
[[Category:Urology]]
[[Category:Urology]]

Latest revision as of 15:24, 16 July 2020

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Milk-alkali syndrome must be differentiated from other causes of hypercalcemia.

Milk-alkali syndrome differential diagnosis

Milk-alkali syndrome must be differentiated from other causes of hypercalcemia.[1][2][3][4][5][6][7]

Differential diagnosis of milk-alkali syndrome on the basis of hypercalcemia
Disorder Mechanism of hypercalcemia Clinical features Laboratory findings Imaging & diagnostic modalities
PTH Calcium Phosphate Other findings
Hyperparathyroidism Primary hyperparathyroidism Increase in secretion of parathyroid hormone (PTH) from a primary process in parathyroid gland. Parathyroid hormone causes increase in serum calcium.
  • Usually asymptomatic
  • Hypercalcemia detected on routine biochemical panel
↓/Normal Normal/↑ calcitriol Findings of bone resorption:

Preoperative localization of hyperfunctioning parathyroid gland:

Predicting post-operative success:

Secondary hyperparathyroidism Increase in secretion of parathyroid hormone (PTH) from a secondary process. Parathyroid hormone causes increase in serum calcium after long periods. ↓/Normal --
Tertiary hyperparathyroidism Continuous elevation of parathyroid hormone (PTH) even after successful treatment of the secondary cause of elevated parathyroid hormone. Parathyroid hormone causes increase in serum calcium. --
Familial hypocalciuric hypercalcemia This is a genetic disorder caused my mutation in calcium-sensing receptor gene.
  • A benign condition
  • Does not require treatment
Normal/↑ Normal/↑ -- --
  • Urinary calcium/creatinine clearance ratio
Malignancy Humoral hypercalcemia of malignancy Tumor cells secretes parathyroid hormone-related protein (PTHrP) which has similar action as parathyroid hormone. -- ↓/Normal PTHrP

Normal/↑ calcitriol

Osteolytic tumors Multiple myeloma produces osteolysis of bones causing hypercalcemia. Osteolytic metasteses can cause bone resorption causing hypercalcemia. -- --
Production of calcitirol Some tumors has ectopic activity of 1-alpha-hydroxylase leading to increased production of calcitriol. Calcitriol is active form of vitamin D and causes hypercalcemia. -- -- Calcitriol
Ectopic parathyroid hormone Some tumors leads to ectopic production of parathyroid hormone. ↓/Normal Normal/↑ calcitriol
Medication induced Lithium Lithium lowers urinary calcium and causes hypercalcemia. Lithium has been reported to cause an increase in parathyroid hormone and enlargement if parathyroid gland after weeks to months of therapy. -- --
Thiazide diuretics Thiazide diuretics lowers urinary calcium excretion and causes hypercalcemia. -- -- -- --
Nutritional Milk-alkali syndrome Hypercalcemia is be caused by high intake of calcium carbonate. -- -- --
Vitamin D toxicity Excess vitamin D causes increased absorption of calcium from intestine causing hypercalcemia. -- -- Vitamin D (calcidiol and/or calcitriol) --
Granulomatous disease Sarcoidosis Hypercalcemia is causes by endogeous production of calcitriol by disease-activated macrophages. -- -- Calcitriol

ACE levels

References

  1. Ratcliffe WA, Hutchesson AC, Bundred NJ, Ratcliffe JG (1992). "Role of assays for parathyroid-hormone-related protein in investigation of hypercalcaemia". Lancet. 339 (8786): 164–7. doi:10.1016/0140-6736(92)90220-W. PMID 1346019.
  2. Mirrakhimov AE (2015). "Hypercalcemia of Malignancy: An Update on Pathogenesis and Management". N Am J Med Sci. 7 (11): 483–93. doi:10.4103/1947-2714.170600. PMC 4683803. PMID 26713296.
  3. Horwitz MJ, Tedesco MB, Sereika SM, Hollis BW, Garcia-Ocaña A, Stewart AF (2003). "Direct comparison of sustained infusion of human parathyroid hormone-related protein-(1-36) [hPTHrP-(1-36)] versus hPTH-(1-34) on serum calcium, plasma 1,25-dihydroxyvitamin D concentrations, and fractional calcium excretion in healthy human volunteers". J. Clin. Endocrinol. Metab. 88 (4): 1603–9. doi:10.1210/jc.2002-020773. PMID 12679445.
  4. Ikeda K, Ohno H, Hane M, Yokoi H, Okada M, Honma T, Yamada A, Tatsumi Y, Tanaka T, Saitoh T (1994). "Development of a sensitive two-site immunoradiometric assay for parathyroid hormone-related peptide: evidence for elevated levels in plasma from patients with adult T-cell leukemia/lymphoma and B-cell lymphoma". J. Clin. Endocrinol. Metab. 79 (5): 1322–7. doi:10.1210/jcem.79.5.7962324. PMID 7962324.
  5. VanHouten JN, Yu N, Rimm D, Dotto J, Arnold A, Wysolmerski JJ, Udelsman R (2006). "Hypercalcemia of malignancy due to ectopic transactivation of the parathyroid hormone gene". J. Clin. Endocrinol. Metab. 91 (2): 580–3. doi:10.1210/jc.2005-2095. PMID 16263810.
  6. Mallette LE, Khouri K, Zengotita H, Hollis BW, Malini S (1989). "Lithium treatment increases intact and midregion parathyroid hormone and parathyroid volume". J. Clin. Endocrinol. Metab. 68 (3): 654–60. doi:10.1210/jcem-68-3-654. PMID 2918061.
  7. Dusso AS, Kamimura S, Gallieni M, Zhong M, Negrea L, Shapiro S, Slatopolsky E (1997). "gamma-Interferon-induced resistance to 1,25-(OH)2 D3 in human monocytes and macrophages: a mechanism for the hypercalcemia of various granulomatoses". J. Clin. Endocrinol. Metab. 82 (7): 2222–32. doi:10.1210/jcem.82.7.4074. PMID 9215298.
  8. Jacobus CH, Holick MF, Shao Q, Chen TC, Holm IA, Kolodny JM, Fuleihan GE, Seely EW (1992). "Hypervitaminosis D associated with drinking milk". N. Engl. J. Med. 326 (18): 1173–7. doi:10.1056/NEJM199204303261801. PMID 1313547.
  9. Hoeck HC, Laurberg G, Laurberg P (1994). "Hypercalcaemic crisis after excessive topical use of a vitamin D derivative". J. Intern. Med. 235 (3): 281–2. PMID 8120527.

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