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Table of Contents
Year : 2012  |  Volume : 16  |  Issue : 5  |  Page : 865-866

Localized acromegaly

Department of Endocrinology, PGIMER, Chandigarh, India

Date of Web Publication6-Sep-2012

Correspondence Address:
Anil Bhansali
Professor, HOD, Department of Endocrinology, PGIMER, Chandigarh-160012
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2230-8210.100702

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How to cite this article:
Palikhe G, Subbiah S, Walia R, Bhansali A. Localized acromegaly. Indian J Endocr Metab 2012;16:865-6

How to cite this URL:
Palikhe G, Subbiah S, Walia R, Bhansali A. Localized acromegaly. Indian J Endocr Metab [serial online] 2012 [cited 2021 Apr 14];16:865-6. Available from: https://www.ijem.in/text.asp?2012/16/5/865/100702


This 26-year-old male presented with diabetic ketoacidosis (DKA) in our emergency department. He had history of diabetes at the age of 24 years and had been on irregular treatment with insulin and oral antihyperglycemic drugs. He was managed with standard treatment of DKA and improved.

But interestingly, he had localized swelling of the thumb and the index finger from birth [Figure 1]a and b. He had undergone corrective surgeries at the age of 3, 8, and 13 years. Despite these surgeries, he again had progressive enlargement of the involved fingers. There was no family history of similar illness, and he did not have any neurocutaneous markers. Radiograph of hand showed soft tissue overgrowth on the radial aspect of right hand along with degenerative bony changes [Figure 2]. Arterial Doppler of the involved hand was normal. MRI hand was done and findings were consistent with macrodystrophia lipomatosa. There was excessive soft tissue, predominantly fat, bone, and nerve on the radial aspect of the right hand [Figure 3]a and b. It was also associated with degenerative changes at the first metacarpophalangeal joint. Hence, final diagnosis of "Macrodystrophia lipomatosa" was kept. No association between diabetes and this condition could be found.
Figure 1: (a) Localized enlargement of radial aspect of right hand. (b) Close up of the localised enlargement

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Figure 2: X-ray right hand

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Figure 3: (a) MRI hand (cross-sectional view). (b) MRI hand (coronal)

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Macrodystrophia lipomatosa is a congenital, non-hereditary condition characterized by localized tissue overgrowth involving the upper and lower extremities. [1],[2],[3] It usually involves only one limb and peculiarly occurs over the distribution of plantar nerve in lower limb and median nerve in upper limb. Lower limb involvement is more common.

This rare disorder was first described by Feriz in 1925 in patient with lower limb involvement. [4] Exact etiology is not known but various hypotheses have been put forward. These include altered somatic growth during limb bud development and disturbed fetal circulation.

Though previously the diagnosis was established by histopathology, now the diagnosis can be confirmed by MRI. MRI shows unencapsulated excess fibrofatty tissue as it has high signal on T1-weighted images, intermediate on T2W, and low signal on fat suppressed sequences. [4],[5],[6]

Differential diagnoses of localized acromegaly are arteriovenous malformation, neurofibromatosis type 1, hemangiomatosis, lymphangiomatosis, and Proteus syndrome. All these conditions can be differentiated from macrodystrophia lipomatosa on the basis of MRI findings except for Proteus syndrome. Macrodystrophia lipomatosa is sometimes considered localized form of Proteus syndrome which includes multiple malformations and is associated with AKT3 activating mutations.

   References Top

1.Barsky AJ. Macrodactyly. J Bone Joint Surg Am 1967;49:1255-66.  Back to cited text no. 1
2.Brodwater BK, Major NM, Goldner RD, Layfield LJ. Macrodystrophia lipomatosa with associated fibrolipomatous hamartoma of the median nerve. Pediatr Surg Int 2000;16:216-8.  Back to cited text no. 2
3.Silverman TA, Enzinger FM. Fibrolipomatous hamartoma of nerve. A clinicopathologic analysis of 26 cases. Am J Surg Pathol 1985;9:7-14.  Back to cited text no. 3
4.Godlewski J, Czerwinska I. Feriz's macrodystrophia lipomatosa progressiva. Pediatria polska. 1950;24(10):903-7.  Back to cited text no. 4
5.Blacksin M, Barnes FJ, Lyons MM. MR diagnosis of macrodystrophia lipomatosa. AJR Am J Roentgenol 1992;158:1295-7.  Back to cited text no. 5
6.Soler R, Rodriguez E, Bargiela A, Martinez C. MR findings of macrodystrophia lipomatosa. Clin Imaging 1997;21:135-7.  Back to cited text no. 6


  [Figure 1], [Figure 2], [Figure 3]


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