Pavithra Ayyanar
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View article: Distinguishing the Tall Cell From Classic Subtypes of Papillary Thyroid Carcinoma on <scp>FNA</scp>: A Cytological and Morphometric Study
Distinguishing the Tall Cell From Classic Subtypes of Papillary Thyroid Carcinoma on <span>FNA</span>: A Cytological and Morphometric Study Open
Background Tall cell subtypes of papillary carcinoma thyroid (T‐PTC) are defined as tumour cells with a height: breadth ratio of > 3. The tall cell subtype of papillary thyroid carcinoma is known for its poor outcomes and aggressive nature…
View article: Hailey-Hailey Disease Complicated by Eczema Herpeticum: A Rare and Challenging Convergence of Two Acantholytic Disorders
Hailey-Hailey Disease Complicated by Eczema Herpeticum: A Rare and Challenging Convergence of Two Acantholytic Disorders Open
View article: A Rare Case of CD68-Positive Congenital Granular Cell Epulis
A Rare Case of CD68-Positive Congenital Granular Cell Epulis Open
View article: A Brief Review of Scalp Biopsy and its Interpretation
A Brief Review of Scalp Biopsy and its Interpretation Open
View article: Lichen Planus Cheilitis: A Brief Review
Lichen Planus Cheilitis: A Brief Review Open
Cheilitis encompasses a spectrum of inflammatory conditions affecting the lips, with etiologies ranging from benign habits to malignant transformations. Lichen planus (LP) cheilitis is a rare variant, often misdiagnosed due to its resembla…
View article: TFE3-rearranged renal cell carcinoma – Expanding the histomorphological spectrum
TFE3-rearranged renal cell carcinoma – Expanding the histomorphological spectrum Open
Background: Transcription factor E3 (TFE3)-rearranged renal cell carcinoma (RCC) shows heterogeneity involving clinical, morphological, and molecular features, and it has many histopathological differential diagnoses. Aim: We aimed to stud…
View article: Double infections in the gastrointestinal mucosal biopsies
Double infections in the gastrointestinal mucosal biopsies Open
Background and Objectives: Gastrointestinal infections are an important cause of morbidity and mortality worldwide. There are a few reports of gastrointestinal double infections in immunocompromised patients. In this study, we retrospectiv…
View article: Primary Cutaneous Mucinous Carcinoma: A Rare Entity
Primary Cutaneous Mucinous Carcinoma: A Rare Entity Open
View article: Modification of minced buccal mucosal graft endourethral urethroplasty: A pilot study
Modification of minced buccal mucosal graft endourethral urethroplasty: A pilot study Open
Introduction: The minced buccal mucosal graft endourethral urethroplasty (MBGEU) is our novel technique of combining direct vision internal urethrotomy with buccal mucosal graft urethroplasty. We assessed success at 30-months of follow-up.…
View article: Assessment of Risk of Malignancy by Application of the Proposed <scp>IAC</scp>–<scp>IARC</scp>–<scp>WHO</scp> Cytopathology System for Classification and Reporting of Soft Tissue Lesions: An Experience From Tertiary Care Center From India
Assessment of Risk of Malignancy by Application of the Proposed <span>IAC</span>–<span>IARC</span>–<span>WHO</span> Cytopathology System for Classification and Reporting of Soft Tissue Lesions: An Experience From Tertiary Care Center From India Open
Introduction Soft tissue lesions encompass a diverse category of diseases from benign to malignant, and their morphology might overlap; therefore, accurate categorization is needed to approach the reporting of soft tissue cytology. The cyt…
View article: Plasmacytoid subtype of urothelial carcinoma – Report of two rare cases and unusual features
Plasmacytoid subtype of urothelial carcinoma – Report of two rare cases and unusual features Open
Plasmacytoid urothelial carcinoma is a rare but aggressive subtype of urothelial carcinoma. The histopathologic mimics include plasmacytoma, metastasis from invasive lobular breast carcinoma, and gastric signet ring cell carcinoma. A 58-ye…
View article: Extragastrointestinal Gastrointestinal Stromal Tumor Presenting as Paratesticular Mass - A Diagnostic Conundrum
Extragastrointestinal Gastrointestinal Stromal Tumor Presenting as Paratesticular Mass - A Diagnostic Conundrum Open
Extragastrointestinal gastrointestinal stromal tumors are uncommon in the paratesticular region and pose a diagnostic challenge. A 47-year-old man presented with a painless testicular mass for three months. Ultrasonography showed a solid l…
View article: Linear Papules on the Bilateral Ears
Linear Papules on the Bilateral Ears Open
View article: Storiform pattern in dermatopathology
Storiform pattern in dermatopathology Open
View article: Rippled Pattern Basal Cell Carcinoma – A Rare Variant with a Diagnostic Approach
Rippled Pattern Basal Cell Carcinoma – A Rare Variant with a Diagnostic Approach Open
The rippled pattern of basal cell carcinoma (BCC) is a very uncommon variant and poses a diagnostic challenge. A 52-year-old male presented with an ulcerated lesion over the scalp for 8 years. The wedge biopsy of the lesion showed an infil…
View article: A Solitary Firm Nodule Over Cheek
A Solitary Firm Nodule Over Cheek Open
View article: Agminated pigmented papules on the face: A rare presentation of neurofibroma
Agminated pigmented papules on the face: A rare presentation of neurofibroma Open
View article: Reticulate sclerodermoid pigmentation in Hutchinson–Gilford progeria syndrome – A report of two cases
Reticulate sclerodermoid pigmentation in Hutchinson–Gilford progeria syndrome – A report of two cases Open
View article: Trichoscopic Features of Scalp Discoid Lupus Erythematosus versus Lichen Planopilaris: A Systematic Review
Trichoscopic Features of Scalp Discoid Lupus Erythematosus versus Lichen Planopilaris: A Systematic Review Open
This article provides a comprehensive review of the literature and delineates the trichoscopic differences and peculiarities of scalp DLE and LPP, including the correlation of dermoscopic features with histopathological findings.
View article: COVID-19 Vaccine-Induced Erysipelas-Like Eruption
COVID-19 Vaccine-Induced Erysipelas-Like Eruption Open
View article: Giant cell collagenoma: Report of a rare tumor and review of literature
Giant cell collagenoma: Report of a rare tumor and review of literature Open
Giant cell collagenoma (GCC) is a rare benign dermal fibrous tumor. Although it has many clinicopathological differential diagnoses, it is often confused with cutaneous sclerotic fibroma/storiform collagenoma (SF/SC) and dermatofibroma. Th…
View article: Parapharyngeal Nodal Metastasis in Papillary Thyroid Carcinoma: Catching Early
Parapharyngeal Nodal Metastasis in Papillary Thyroid Carcinoma: Catching Early Open
View article: Primary Aneurysmal Bone Cyst in the Iliac Bone: A Case Report
Primary Aneurysmal Bone Cyst in the Iliac Bone: A Case Report Open
Introduction: Aneurysmal bone cysts (ABCs) are non-neoplastic expansile, vascular, osteolytic benign tumors in the long bone, spine, and sternum. The location in the pelvis is sparse. Case Report: A 12-year-old female presented with pain i…
View article: Rare Case of Primary Leiomyosarcoma of Bone – Findings on 18F-fluorodeoxyglucose Positron Emission Tomography/Computed Tomography
Rare Case of Primary Leiomyosarcoma of Bone – Findings on 18F-fluorodeoxyglucose Positron Emission Tomography/Computed Tomography Open
Primary leiomyosarcoma of bone (PLB) is a rare tumor, constituting <0.7% of all primary bone malignancies. It is clinically aggressive with heterogeneous presentation and a dismal prognosis. The most common presentation is pain with swelli…
View article: Cytomorphologic Features of Orbital Myeloid Sarcoma – A Rare Case and Diagnostic Clue
Cytomorphologic Features of Orbital Myeloid Sarcoma – A Rare Case and Diagnostic Clue Open
CASE DETAILS A 50 year-old-male patient presented with swelling over the right supra-orbital region. The swelling was 2.5 × 2.0 cm, soft to firm in consistency, fixed, and non-tender. Fine-needle aspiration cytology (FNAC) of the swelling …
View article: Invasive micropapillary urothelial carcinoma of the renal pelvis presenting as nonfunctional kidney: A unique presentation and review of the literature
Invasive micropapillary urothelial carcinoma of the renal pelvis presenting as nonfunctional kidney: A unique presentation and review of the literature Open
Micropapillary urothelial carcinoma of the renal pelvis is a rare and aggressive variant and poses a diagnostic challenge, especially related to the site and histomorphology of the tumor. A 60-year-old female presented with right pelvic-ur…
View article: Angioleiomyoma of the uterus presenting as an endometrial polyp: An uncommon occurrence of two cases with a literature review
Angioleiomyoma of the uterus presenting as an endometrial polyp: An uncommon occurrence of two cases with a literature review Open
Angioleiomyoma is a benign neoplasm that arises from vascular smooth muscle cells. Angioleiomyoma of the endometrium is very uncommon. The differential diagnoses of this entity are myopericytoma, angiomyofibroblastoma, endometrial stromal …
View article: Sarcoidosis presenting as a non-healing leg ulcer: A rare occurrence
Sarcoidosis presenting as a non-healing leg ulcer: A rare occurrence Open
View article: Utility of orcein stain and comparison with Masson trichrome stain in chronic intestinal pseudo-obstruction
Utility of orcein stain and comparison with Masson trichrome stain in chronic intestinal pseudo-obstruction Open
Chronic intestinal pseudo-obstruction (CIPO) is caused by a plethora of primary and secondary causes, dominantly involving the neuromuscular tissue, interstitial cells of Cajal, or the connective tissue framework. The lack of the connectiv…
View article: Ectopic pancreas, gastric, duodenal and colonic tissue in a case of persistent umbilical discharge
Ectopic pancreas, gastric, duodenal and colonic tissue in a case of persistent umbilical discharge Open
One of the typical complaints in the pediatric population is umbilical discharge. Among the congenital causes, remnants of omphalomesenteric duct or patent urachus are often detected. On a few occasions, multiple types of ectopic tissue ar…