Folliculosebaceous cystic hamartoma: an unusual histopathological entity: a case report.

The skin covers our body and exhibits a complex structure that is adapted to the different body areas. The scalp skin is distinctive, and the histopathological alterations in its diseases also present distinctive features. We present the clinical case of a 28-year-old female patient, with no significant medical history.

Myeloid sarcoma of appendix mimicking acute appendicitis.

Context: Myeloid sarcoma is a neoplasm of immature myeloid cells involving an extramedullary anatomic site that is usually, although not always, associated with acute myeloid leukemia. Any extramedullary site can be involved by myeloid sarcoma, but involvement of the cecal appendix is uncommon, and symptoms mimicking acute appendicitis as a result of appendiceal involvement are rare.

Objective: To describe the clinicopathologic features of 2 patients with myeloid sarcoma involving the appendix who presented with right lower quadrant pain suggestive of acute appendicitis and prompting appendectomy.

[Gastric polyps and histological changes in surrounding mucosa].

Purpose: Gastric polyps are elevated epithelial lesions which pathogenesis and natural history are not well known. The purpose of this study was to determine the association between gastric polyps and histological changes of the surrounding mucosa.

Material And Methods: Prospective, descriptive and transversal study.