To familirize readers with some infrequently seen benign entities arising from soft tissues To enable readers to identify these conditions based on the radiological features and to differentiate them from their more aggressive or sinister mimickers (wherever applicable)

Subcutaneous soft tissues, fascial planes, neurovascular bundle and periosseous region are sometimes a site of uncommon and confusing disease entities These conditions may masquerade as being aggressive or malignant while in actuality they are benign or harmless in nature Lack of awareness about such disease conditions or entities can lead to their misinterpretation as being a more inimical pathology, often resulting in further unnecessary or burdensome investigations/operations The purpose of this educational exhibit is to illustrate the radiological features of some rare and benign conditions...

SOFT TISSUE PATHOLOGIES Neural Origin 1.Sciatic Nerve Endometriosis (Figure 1) Overview1: · Endometriosis affects 1-5% of women in reproductive age group. · Most commonly involves the ovaries or deep pelvic structures. · Endometrial implantation of the nerves is very rare · Sciatic nerve endometriosis manifests as cyclical episodes of radiating pain coinciding with menstrual periods · MRI is imaging modality of choice (SI depends on time of menstrual cycle) Closest Mimicker: Neurogenic tumour (Schwannoma/Neurofibroma) Imaging pearls MRI Sciatic Endometriosis Nerve Sheath Tumor T1W ↑ or...

In nutshell, we have presented a pictorial essay and brief literature review of a miscellany of some dispartate soft tissue pathologies diagnosed in our institution with the aim of elucidating their salient radiological features so that the readers keep them in mind whenever confronted with unusual soft tissue tissue lesions and “forget them not”!!!

1. Coutinho A Jr, Bittencourt LK, Pires CE, et al. MR imaging in deep pelvic endometriosis:a pictorial essay. Radiographics. 2011 Mar-Apr;31(2):549-67 2. Toms AP, Anastakis D, Bleakney RR et-al. Lipofibromatous hamartoma of the upper extremity: a review of the radiologic findings for 15 patients. AJR Am J Roentgenol. 2006;186 (3): 805-11 3. McLean K, Popovic S. Morel-Lavallée Lesion: AIRP Best Cases in Radiologic-Pathologic Correlation. Radiographics. 2017 Jan-Feb;37(1):190-196 4. Santili C, Akkari M, Waisberg G, et al. Calcinosis universalis: a rare diagnosis. J Pediatr Orthop B....