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Table 1 Immunohistochemical analysis of intramuscular lipomas.

From: Type-selective muscular degeneration promotes infiltrative growth of intramuscular lipoma

Case Age (year) Gender Location Histological type Atrophic muscle fiber* Cathepsin-D
1 57 M sternocleidomastoideus infiltrative slow-dominant atrophy +
2 65 M rectus femolis infiltrative slow-dominant atrophy +
3 48 M adductor longus infiltrative slow-dominant atrophy +
4 43 M vastus medialis infiltrative slow-dominant atrophy +
5 71 M trapezius infiltrative slow-dominant atrophy + +
6 64 F vastus lateralis infiltrative fast-dominant atrophy + +
7 71 F tensor fascia lata infiltrative fast-dominant atrophy +
8 37 F deltoideus infiltrative fast-dominant atrophy +
9 47 F latissimus dorsi infiltrative fast-dominant atrophy + +
10 66 F deltoideus infiltrative fast-dominant atrophy + +
11 48 F vastus medialis infiltrative non-dominant atrophy + +
12 59 F brachioradialis infiltrative non-dominant atrophy +
13 51 F vastus medialis infiltrative non-dominant atrophy +
14 43 F longissimus thoracics infiltrative non-dominant atrophy + +
15 49 M sartorius infiltrative non-dominant atrophy + +
16 15 F rectus femolis well-circumscribed slow-dominant atrophy +
17 54 F levator scapulae well-circumscribed non-dominant atrophy +
18 3 M paravertebral muscle well-circumscribed - -
19 57 F sartorius well-circumscribed - -
20 43 F rhomboideus well-circumscribed - -
21 21 F hypotener well-circumscribed - -
22 51 M rectus femolis well-circumscribed - -
  1. *: Immunohistochemical evaluation using troponin T and SERCA -: Impossible specimens to evaluate immunohistochemically because of no muscle tissue +: Involving muscle tissues are positive to cathepsin-D. ++: Muscle tissues are stained with cathepsin-D around small fatty vacuoles or nuclear chain.