Familial hypocalciuric hypercalcemia differential diagnosis

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief:

Overview

[Disease name] must be differentiated from other diseases that cause [clinical feature 1], [clinical feature 2], and [clinical feature 3], such as [differential dx1], [differential dx2], and [differential dx3].

OR

[Disease name] must be differentiated from [[differential dx1], [differential dx2], and [differential dx3].

Differentiating familial hypocalciuric hypercalcemia from other Diseases

Familial hypocalciuric hypercalcemia should be differentiated from other causes of hypercalcemia. Causes of hypercalcemia include:

Parathyroid-related

Hyperparathyroidism

Primary hyperparathyroidism
Secondary hyperparathyroidism
Tertiary hyperparathyroidism

Non-parathyroid related

Malignancy
Humoral hypercalcemia of malignancy
Osteolytic tumors
Production of calcitriol by tumors
Ectopic parathyroid hormone production

Medication-induced

Thiazide diuretics
Lithium

Other

Nutritional
Milk-alkali syndrome
Vitamin D toxicity
Granulomatous disease
Sarcoidosis
Surgical
Immobilization

Preferred Table

Differential diagnosis of Familial Hypocalciuric Hypercalcemia on the basis of hypercalcemia
Disorder		Mechanism of hypercalcemia	Clinical features	Laboratory findings				Imaging & diagnostic modalities
Disorder		Mechanism of hypercalcemia	Clinical features	PTH	Calcium	Phosphate	Other findings	Imaging & diagnostic modalities
Familial hypocalciuric hypercalcemia		This is a genetic disorder caused my mutation in calcium-sensing receptor gene.	This is a benign condition and does not require treatment.	Normal/↑	Normal/↑		--	Calcium/creatinine clearance ratio
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: X-ray DXA Preoperative localization of hyperfunctioning parathyroid gland: Non-Invasive Tc-99m sestamibi scintigraphy Neck ultrasound 4D-CT SPET(P-SPECT) PET MRI Invasive: Super sensitive venous sampling Selective arteriography Angiography Predicting post-operative success: Intraoperative parathyroid hormone monitoring
	Secondary hyperparathyroidism	Increase in secretion of parathyroid hormone (PTH) from a secondary process. Parathyroid hormone causes increase in serum calcium.	May present with history of: Chronic renal failure Vitamin D deficiency	↑	↓/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.	Usually present with history of: Kidney transplant Usually hyperplasia of all four parathyroid glands	↑	↑	↑	--
Malignancy^[1]	Humoral hypercalcemia of malignancy^[2]^[3]^[4]	Tumor cells secretes parathyroid hormone related protein (PTHrP) which has similar action as parathyroid hormone.	Most common cause of malignancy related hypercalcemia. Usually present in solid tumors	--	↑	↓/Normal	↑ PTHrP Normal/↑ calcitriol	Chest X-ray CT scan MRI
	Osteolytic tumors	Multiple myeloma produces osteolysis of bones causing hypercalcemia. Osteolytic metastasis can cause bone resorption causing hypercalcemia.	Most commonly present in multiple myeloma and breast cancer.	↓	↑	--	--	DXA X-ray Mammography Ultrasound ESR Serum protein electrophoresis
	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.	Most commonly present in lymphomas and in some ovarian germ cell tumors.	--	↑	--	↑ Calcitriol	CT scan MRI
	Ectopic parathyroid hormone^[5]	Some tumors leads to ectopic production of parathyroid hormone.	In rare instances, small cell carcinoma of lung may produce hypercalcemia by this process.	↑	↑	↓/Normal	Normal/↑ Calcitriol	Chest X-ray CT scan MRI
Medication induced	Lithium^[6]	Lithium lowers urinary calcium and causes hypercalcemia. Lithium has been reported to cause an increase in parathyroid hormones and enlargement if parathyroid gland after weeks to months of therapy.	History of mood disorder	↑	↑	--	--	Lithium levels
Medication induced	Thiazide diuretics	Thiazide diuretics lowers urinary calcium excretion and causes hypercalcemia	History of cardiac disorder Rarely causes hypercalcemia	--	↑	--	--	--
Nutritional	Milk-alkali syndrome	Hypercalcemia is be caused by high intake of calcium carbonate	History of High milk intake Excess calcium intake for treating: Osteoporosis Dyspepsia May lead to metabolic alkalosis and renal insufficiency.	--	↑	--	--	Renal function test
Nutritional	Vitamin D toxicity	Excess vitamin D causes increased absorption of calcium from intestine causing hypercalcemia.	History of: Excess intake vitamin D Excess milk fortified with vitamin D^[7] Topical application of vitamin D analogue analogue calcipotriol^[8]	--	↑	--	↑ Vitamin D (calcidiol and/or calcitriol)	--
Granulomatous disease	Sarcoidosis^[9]	Hypercalcemia is causes by endogeous production of calcitriol by disease-activated macrophages.	History of: Cough Dyspnea Chest pain Tiredness or weakness Fever Weight loss	--	↑	--	↑ Calcitriol ↑ ACE levels	Chest X-ray Biopsy

Use if the above table can not be made


Differential Diagnosis	Similar Features	Differentiating Features

Differential 1	On [physical exam; history; diagnostic test; imaging], [Differential 1] {has; demonstrates} [feature 1], [feature 2], [feature 3] also observed in [disease name].	On [physical exam; history; diagnostic test; imaging], [Differential 1] {has; demonstrates} [feature 1], [feature 2], [feature 3] that distinguish it from [disease name].
Differential 2	On [physical exam; history; diagnostic test; imaging], [Differential 1] {has; demonstrates} [feature 1], [feature 2], [feature 3] also observed in [disease name].	On [physical exam; history; diagnostic test; imaging], [Differential 1] {has; demonstrates} [feature 1], [feature 2], [feature 3] that distinguish it from [disease name].
Differential 3	On [physical exam; history; diagnostic test; imaging], [Differential 1] {has; demonstrates} [feature 1], [feature 2], [feature 3] also observed in [disease name].	On [physical exam; history; diagnostic test; imaging], [Differential 1] {has; demonstrates} [feature 1], [feature 2], [feature 3] that distinguish it from [disease name].
Differential 4	On [physical exam; history; diagnostic test; imaging], [Differential 1] {has; demonstrates} [feature 1], [feature 2], [feature 3] also observed in [disease name].	On [physical exam; history; diagnostic test; imaging], [Differential 1] {has; demonstrates} [feature 1], [feature 2], [feature 3] that distinguish it from [disease name].
Differential 5	On [physical exam; history; diagnostic test; imaging], [Differential 1] {has; demonstrates} [feature 1], [feature 2], [feature 3] also observed in [disease name].	On [physical exam; history; diagnostic test; imaging], [Differential 1] {has; demonstrates} [feature 1], [feature 2], [feature 3] that distinguish it from [disease name].

References

↑ 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.
↑ 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.
↑ 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.
↑ 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.
↑ 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.
↑ 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.
↑ 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.
↑ 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.
↑ 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.

Template:WH Template:WS

[pmid26713296-1] 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.

[pmid1346019-2] 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.

[pmid7962324-3] 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.

[pmid12679445-4] 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.

[pmid16263810-5] 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.

[pmid2918061-6] 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.

[pmid1313547-7] 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.

[pmid8120527-8] 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.

[pmid9215298-9] 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.

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